diff --git a/.gitignore b/.gitignore
index f1650504..b57ed74a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,6 +31,9 @@ coverage
 # PyCharm project settings
 .idea
 
+# VSCode project settings
+.vscode
+
 # Local data
 secrets.py
 *.log
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bceb5f51..291ed490 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -2,20 +2,25 @@ image: python:3.6
 
 stages:
   - test
+  - quality-assurance
 
 before_script:
   - pip install tox
 
-python36:
+py36-django22:
   image: python:3.6
   stage: test
-  script: tox -e py36
+  script: tox -e py36-django22
 
-python37:
+py37-django22:
   image: python:3.7
   stage: test
-  script: tox -e py37
+  script: tox -e py37-django22
 
 linters:
-  stage: test
+  image: python:3.6
+  stage: quality-assurance
   script: tox -e linters
+
+  # Be nice to new contributors, but please use `tox`
+  allow_failure: true
diff --git a/.pylintrc b/.pylintrc
deleted file mode 100644
index 6ddf1f3c..00000000
--- a/.pylintrc
+++ /dev/null
@@ -1,379 +0,0 @@
-[MASTER]
-
-# Specify a configuration file.
-#rcfile=
-
-# Python code to execute, usually for sys.path manipulation such as
-# pygtk.require().
-#init-hook=
-
-# Add files or directories to the blacklist. They should be base names, not
-# paths.
-ignore=CVS,.git
-
-# Pickle collected data for later comparisons.
-persistent=yes
-
-# List of plugins (as comma separated values of python modules names) to load,
-# usually to register additional checkers.
-load-plugins=
-
-# Use multiple processes to speed up Pylint.
-jobs=4
-
-# Allow loading of arbitrary C extensions. Extensions are imported into the
-# active Python interpreter and may run arbitrary code.
-unsafe-load-any-extension=no
-
-# A comma-separated list of package or module names from where C extensions may
-# be loaded. Extensions are loading into the active Python interpreter and may
-# run arbitrary code
-extension-pkg-whitelist=
-
-# Allow optimization of some AST trees. This will activate a peephole AST
-# optimizer, which will apply various small optimizations. For instance, it can
-# be used to obtain the result of joining multiple strings with the addition
-# operator. Joining a lot of strings can lead to a maximum recursion error in
-# Pylint and this flag can prevent that. It has one side effect, the resulting
-# AST will be different than the one from reality.
-optimize-ast=no
-
-
-[MESSAGES CONTROL]
-
-# Only show warnings with the listed confidence levels. Leave empty to show
-# all. Valid levels: HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED
-confidence=INFERENCE_FAILURE
-
-# Enable the message, report, category or checker with the given id(s). You can
-# either give multiple identifier separated by comma (,) or put this option
-# multiple time. See also the "--disable" option for examples.
-#enable=
-
-# Disable the message, report, category or checker with the given id(s). You
-# can either give multiple identifiers separated by comma (,) or put this
-# option multiple times (only on the command line, not in the configuration
-# file where it should appear only once).You can also use "--disable=all" to
-# disable everything first and then reenable specific checks. For example, if
-# you want to run only the similarities checker, you can use "--disable=all
-# --enable=similarities". If you want to run only the classes checker, but have
-# no Warning level messages displayed, use"--disable=all --enable=classes
-# --disable=W"
-disable=intern-builtin,nonzero-method,parameter-unpacking,backtick,raw_input-builtin,dict-view-method,filter-builtin-not-iterating,long-builtin,unichr-builtin,input-builtin,unicode-builtin,file-builtin,map-builtin-not-iterating,delslice-method,apply-builtin,cmp-method,setslice-method,coerce-method,long-suffix,raising-string,import-star-module-level,buffer-builtin,reload-builtin,unpacking-in-except,print-statement,hex-method,old-octal-literal,metaclass-assignment,dict-iter-method,range-builtin-not-iterating,using-cmp-argument,indexing-exception,no-absolute-import,coerce-builtin,getslice-method,suppressed-message,execfile-builtin,round-builtin,useless-suppression,reduce-builtin,old-raise-syntax,zip-builtin-not-iterating,cmp-builtin,xrange-builtin,standarderror-builtin,old-division,oct-method,next-method-called,old-ne-operator,basestring-builtin
-
-
-[REPORTS]
-
-# Set the output format. Available formats are text, parseable, colorized, msvs
-# (visual studio) and html. You can also give a reporter class, eg
-# mypackage.mymodule.MyReporterClass.
-output-format=text
-
-# Put messages in a separate file for each module / package specified on the
-# command line instead of printing them on stdout. Reports (if any) will be
-# written in a file name "pylint_global.[txt|html]".
-files-output=no
-
-# Tells whether to display a full report or only the messages
-reports=no
-
-# Python expression which should return a note less than 10 (10 is the highest
-# note). You have access to the variables errors warning, statement which
-# respectively contain the number of errors / warnings messages and the total
-# number of statements analyzed. This is used by the global evaluation report
-# (RP0004).
-evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / statement) * 10)
-
-# Template used to display messages. This is a python new-style format string
-# used to format the message information. See doc for all details
-#msg-template=
-
-
-[BASIC]
-
-# List of builtins function names that should not be used, separated by a comma
-bad-functions=map,filter
-
-# Good variable names which should always be accepted, separated by a comma
-good-names=i,j,k,ex,Run,_
-
-# Bad variable names which should always be refused, separated by a comma
-bad-names=foo,bar,baz,toto,tutu,tata
-
-# Colon-delimited sets of names that determine each other's naming style when
-# the name regexes allow several styles.
-name-group=
-
-# Include a hint for the correct naming format with invalid-name
-include-naming-hint=yes
-
-# Regular expression matching correct argument names
-argument-rgx=[a-z_][a-z0-9_]{2,30}$
-
-# Naming hint for argument names
-argument-name-hint=[a-z_][a-z0-9_]{2,30}$
-
-# Regular expression matching correct attribute names
-attr-rgx=[a-z_][a-z0-9_]{2,30}$
-
-# Naming hint for attribute names
-attr-name-hint=[a-z_][a-z0-9_]{2,30}$
-
-# Regular expression matching correct constant names
-const-rgx=(([A-Z_][A-Z0-9_]*)|(__.*__))$
-
-# Naming hint for constant names
-const-name-hint=(([A-Z_][A-Z0-9_]*)|(__.*__))$
-
-# Regular expression matching correct class names
-class-rgx=[A-Z_][a-zA-Z0-9]+$
-
-# Naming hint for class names
-class-name-hint=[A-Z_][a-zA-Z0-9]+$
-
-# Regular expression matching correct inline iteration names
-inlinevar-rgx=[A-Za-z_][A-Za-z0-9_]*$
-
-# Naming hint for inline iteration names
-inlinevar-name-hint=[A-Za-z_][A-Za-z0-9_]*$
-
-# Regular expression matching correct class attribute names
-class-attribute-rgx=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$
-
-# Naming hint for class attribute names
-class-attribute-name-hint=([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$
-
-# Regular expression matching correct function names
-function-rgx=[a-z_][a-z0-9_]{2,30}$
-
-# Naming hint for function names
-function-name-hint=[a-z_][a-z0-9_]{2,30}$
-
-# Regular expression matching correct module names
-module-rgx=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
-
-# Naming hint for module names
-module-name-hint=(([a-z_][a-z0-9_]*)|([A-Z][a-zA-Z0-9]+))$
-
-# Regular expression matching correct method names
-method-rgx=[a-z_][a-z0-9_]{2,30}$
-
-# Naming hint for method names
-method-name-hint=[a-z_][a-z0-9_]{2,30}$
-
-# Regular expression matching correct variable names
-variable-rgx=[a-z_][a-z0-9_]{2,30}$
-
-# Naming hint for variable names
-variable-name-hint=[a-z_][a-z0-9_]{2,30}$
-
-# Regular expression which should only match function or class names that do
-# not require a docstring.
-no-docstring-rgx=^_
-
-# Minimum line length for functions/classes that require docstrings, shorter
-# ones are exempt.
-docstring-min-length=-1
-
-
-[ELIF]
-
-# Maximum number of nested blocks for function / method body
-max-nested-blocks=5
-
-
-[FORMAT]
-
-# Maximum number of characters on a single line.
-max-line-length=100
-
-# Regexp for a line that is allowed to be longer than the limit.
-ignore-long-lines=^\s*(# )?<?https?://\S+>?$
-
-# Allow the body of an if to be on the same line as the test if there is no
-# else.
-single-line-if-stmt=no
-
-# List of optional constructs for which whitespace checking is disabled. `dict-
-# separator` is used to allow tabulation in dicts, etc.: {1  : 1,\n222: 2}.
-# `trailing-comma` allows a space between comma and closing bracket: (a, ).
-# `empty-line` allows space-only lines.
-no-space-check=trailing-comma,dict-separator
-
-# Maximum number of lines in a module
-max-module-lines=1000
-
-# String used as indentation unit. This is usually "    " (4 spaces) or "\t" (1
-# tab).
-indent-string='    '
-
-# Number of spaces of indent required inside a hanging  or continued line.
-indent-after-paren=4
-
-# Expected format of line ending, e.g. empty (any line ending), LF or CRLF.
-expected-line-ending-format=
-
-
-[LOGGING]
-
-# Logging modules to check that the string format arguments are in logging
-# function parameter format
-logging-modules=logging
-
-
-[MISCELLANEOUS]
-
-# List of note tags to take in consideration, separated by a comma.
-notes=FIXME,XXX,TODO
-
-
-[SIMILARITIES]
-
-# Minimum lines number of a similarity.
-min-similarity-lines=4
-
-# Ignore comments when computing similarities.
-ignore-comments=yes
-
-# Ignore docstrings when computing similarities.
-ignore-docstrings=yes
-
-# Ignore imports when computing similarities.
-ignore-imports=no
-
-
-[SPELLING]
-
-# Spelling dictionary name. Available dictionaries: none. To make it working
-# install python-enchant package.
-spelling-dict=
-
-# List of comma separated words that should not be checked.
-spelling-ignore-words=
-
-# A path to a file that contains private dictionary; one word per line.
-spelling-private-dict-file=
-
-# Tells whether to store unknown words to indicated private dictionary in
-# --spelling-private-dict-file option instead of raising a message.
-spelling-store-unknown-words=no
-
-
-[TYPECHECK]
-
-# Tells whether missing members accessed in mixin class should be ignored. A
-# mixin class is detected if its name ends with "mixin" (case insensitive).
-ignore-mixin-members=yes
-
-# List of module names for which member attributes should not be checked
-# (useful for modules/projects where namespaces are manipulated during runtime
-# and thus existing member attributes cannot be deduced by static analysis. It
-# supports qualified module names, as well as Unix pattern matching.
-ignored-modules=
-
-# List of classes names for which member attributes should not be checked
-# (useful for classes with attributes dynamically set). This supports can work
-# with qualified names.
-ignored-classes=
-
-# List of members which are set dynamically and missed by pylint inference
-# system, and so shouldn't trigger E1101 when accessed. Python regular
-# expressions are accepted.
-generated-members=
-
-
-[VARIABLES]
-
-# Tells whether we should check for unused import in __init__ files.
-init-import=no
-
-# A regular expression matching the name of dummy variables (i.e. expectedly
-# not used).
-dummy-variables-rgx=_$|dummy
-
-# List of additional names supposed to be defined in builtins. Remember that
-# you should avoid to define new builtins when possible.
-additional-builtins=
-
-# List of strings which can identify a callback function by name. A callback
-# name must start or end with one of those strings.
-callbacks=cb_,_cb
-
-
-[CLASSES]
-
-# List of method names used to declare (i.e. assign) instance attributes.
-defining-attr-methods=__init__,__new__,setUp
-
-# List of valid names for the first argument in a class method.
-valid-classmethod-first-arg=cls
-
-# List of valid names for the first argument in a metaclass class method.
-valid-metaclass-classmethod-first-arg=mcs
-
-# List of member names, which should be excluded from the protected access
-# warning.
-exclude-protected=_asdict,_fields,_replace,_source,_make
-
-
-[DESIGN]
-
-# Maximum number of arguments for function / method
-max-args=20
-
-# Argument names that match this expression will be ignored. Default to name
-# with leading underscore
-ignored-argument-names=_.*
-
-# Maximum number of locals for function / method body
-max-locals=20
-
-# Maximum number of return / yield for function / method body
-max-returns=6
-
-# Maximum number of branch for function / method body
-max-branches=12
-
-# Maximum number of statements in function / method body
-max-statements=50
-
-# Maximum number of parents for a class (see R0901).
-max-parents=7
-
-# Maximum number of attributes for a class (see R0902).
-max-attributes=10
-
-# Minimum number of public methods for a class (see R0903).
-min-public-methods=2
-
-# Maximum number of public methods for a class (see R0904).
-max-public-methods=20
-
-# Maximum number of boolean expressions in an if statement
-max-bool-expr=5
-
-
-[IMPORTS]
-
-# Deprecated modules which should not be used, separated by a comma
-deprecated-modules=optparse
-
-# Create a graph of every (i.e. internal and external) dependencies in the
-# given file (report RP0402 must not be disabled)
-import-graph=
-
-# Create a graph of external dependencies in the given file (report RP0402 must
-# not be disabled)
-ext-import-graph=
-
-# Create a graph of internal dependencies in the given file (report RP0402 must
-# not be disabled)
-int-import-graph=
-
-
-[EXCEPTIONS]
-
-# Exceptions that will emit a warning when being caught. Defaults to
-# "Exception"
-overgeneral-exceptions=Exception
-
diff --git a/apps/activity/__init__.py b/apps/activity/__init__.py
index 75df9e1f..195d5302 100644
--- a/apps/activity/__init__.py
+++ b/apps/activity/__init__.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 default_app_config = 'activity.apps.ActivityConfig'
diff --git a/apps/activity/admin.py b/apps/activity/admin.py
index 1efe272c..5ceb4e81 100644
--- a/apps/activity/admin.py
+++ b/apps/activity/admin.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.contrib import admin
@@ -12,7 +11,7 @@ class ActivityAdmin(admin.ModelAdmin):
     Admin customisation for Activity
     """
     list_display = ('name', 'activity_type', 'organizer')
-    list_filter = ('activity_type',)
+    list_filter = ('activity_type', )
     search_fields = ['name', 'organizer__name']
 
     # Organize activities by start date
diff --git a/apps/activity/api/serializers.py b/apps/activity/api/serializers.py
index f7f949e7..0b9302f1 100644
--- a/apps/activity/api/serializers.py
+++ b/apps/activity/api/serializers.py
@@ -1,10 +1,11 @@
-# -*- mode: python; coding: utf-8 -*-
 # Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-from ..models import ActivityType, Activity, Guest
 from rest_framework import serializers
 
+from ..models import ActivityType, Activity, Guest
+
+
 class ActivityTypeSerializer(serializers.ModelSerializer):
     """
     REST API Serializer for Activity types.
diff --git a/apps/activity/api/urls.py b/apps/activity/api/urls.py
index 56665730..79e0ba30 100644
--- a/apps/activity/api/urls.py
+++ b/apps/activity/api/urls.py
@@ -1,4 +1,3 @@
-# -*- mode: python; coding: utf-8 -*-
 # Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
diff --git a/apps/activity/api/views.py b/apps/activity/api/views.py
index 4a0973e5..5683d458 100644
--- a/apps/activity/api/views.py
+++ b/apps/activity/api/views.py
@@ -1,4 +1,3 @@
-# -*- mode: python; coding: utf-8 -*-
 # Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
diff --git a/apps/activity/apps.py b/apps/activity/apps.py
index 29990f1b..bb72947f 100644
--- a/apps/activity/apps.py
+++ b/apps/activity/apps.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.apps import AppConfig
diff --git a/apps/activity/models.py b/apps/activity/models.py
index 4dbc5522..8f23060c 100644
--- a/apps/activity/models.py
+++ b/apps/activity/models.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.conf import settings
diff --git a/apps/api/urls.py b/apps/api/urls.py
index 7ac56ca1..7e59a8c0 100644
--- a/apps/api/urls.py
+++ b/apps/api/urls.py
@@ -1,12 +1,9 @@
-# -*- mode: python; coding: utf-8 -*-
 # Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.conf.urls import url, include
 from django.contrib.auth.models import User
 from rest_framework import routers, serializers, viewsets
-from rest_framework.authtoken import views as token_views
-
 from activity.api.urls import register_activity_urls
 from member.api.urls import register_members_urls
 from note.api.urls import register_note_urls
@@ -17,10 +14,13 @@ class UserSerializer(serializers.ModelSerializer):
     REST API Serializer for Users.
     The djangorestframework plugin will analyse the model `User` and parse all fields in the API.
     """
-
     class Meta:
         model = User
-        exclude = ('password', 'groups', 'user_permissions',)
+        exclude = (
+            'password',
+            'groups',
+            'user_permissions',
+        )
 
 
 class UserViewSet(viewsets.ModelViewSet):
diff --git a/apps/member/__init__.py b/apps/member/__init__.py
index ec189d6f..298d1dda 100644
--- a/apps/member/__init__.py
+++ b/apps/member/__init__.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 default_app_config = 'member.apps.MemberConfig'
diff --git a/apps/member/admin.py b/apps/member/admin.py
index f45d5f55..fb107377 100644
--- a/apps/member/admin.py
+++ b/apps/member/admin.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.contrib import admin
@@ -19,9 +18,9 @@ class ProfileInline(admin.StackedInline):
 
 
 class CustomUserAdmin(UserAdmin):
-    inlines = (ProfileInline,)
+    inlines = (ProfileInline, )
     list_display = ('username', 'email', 'first_name', 'last_name', 'is_staff')
-    list_select_related = ('profile',)
+    list_select_related = ('profile', )
     form = ProfileForm
 
     def get_inline_instances(self, request, obj=None):
diff --git a/apps/member/api/serializers.py b/apps/member/api/serializers.py
index cf4420d5..f4df6799 100644
--- a/apps/member/api/serializers.py
+++ b/apps/member/api/serializers.py
@@ -1,10 +1,10 @@
-# -*- mode: python; coding: utf-8 -*-
 # Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-from ..models import Profile, Club, Role, Membership
 from rest_framework import serializers
 
+from ..models import Profile, Club, Role, Membership
+
 
 class ProfileSerializer(serializers.ModelSerializer):
     """
diff --git a/apps/member/api/urls.py b/apps/member/api/urls.py
index f60465c0..15bb83ca 100644
--- a/apps/member/api/urls.py
+++ b/apps/member/api/urls.py
@@ -1,4 +1,3 @@
-# -*- mode: python; coding: utf-8 -*-
 # Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
diff --git a/apps/member/api/views.py b/apps/member/api/views.py
index 36e8a33f..79ba4c12 100644
--- a/apps/member/api/views.py
+++ b/apps/member/api/views.py
@@ -1,4 +1,3 @@
-# -*- mode: python; coding: utf-8 -*-
 # Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
diff --git a/apps/member/apps.py b/apps/member/apps.py
index 928c00e4..2d7f4ab7 100644
--- a/apps/member/apps.py
+++ b/apps/member/apps.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.apps import AppConfig
diff --git a/apps/member/filters.py b/apps/member/filters.py
index fb1a2128..418e52fc 100644
--- a/apps/member/filters.py
+++ b/apps/member/filters.py
@@ -1,31 +1,33 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-from django_filters import FilterSet, CharFilter,NumberFilter
+from django_filters import FilterSet, CharFilter
 from django.contrib.auth.models import User
 from django.db.models import CharField
 from crispy_forms.helper import FormHelper
 from crispy_forms.layout import Layout, Submit
 
-from .models import  Club
 
 class UserFilter(FilterSet):
     class Meta:
         model = User
-        fields = ['last_name','first_name','username','profile__section']
-        filter_overrides={
-            CharField:{
-                'filter_class':CharFilter,
-                'extra': lambda f:{
-                    'lookup_expr':'icontains'
+        fields = ['last_name', 'first_name', 'username', 'profile__section']
+        filter_overrides = {
+            CharField: {
+                'filter_class': CharFilter,
+                'extra': lambda f: {
+                    'lookup_expr': 'icontains'
                 }
             }
         }
 
+
 class UserFilterFormHelper(FormHelper):
     form_method = 'GET'
     layout = Layout(
-        'last_name','first_name','username','profile__section',
-        Submit('Submit','Apply Filter'),
+        'last_name',
+        'first_name',
+        'username',
+        'profile__section',
+        Submit('Submit', 'Apply Filter'),
     )
diff --git a/apps/member/forms.py b/apps/member/forms.py
index 4d03764e..66844cf4 100644
--- a/apps/member/forms.py
+++ b/apps/member/forms.py
@@ -1,26 +1,23 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
+
 from dal import autocomplete
-from django.contrib.auth.forms import UserChangeForm, UserCreationForm
+from django.contrib.auth.forms import UserCreationForm
 from django.contrib.auth.models import User
 from django import forms
 
 from .models import Profile, Club, Membership
 
-from django.utils.translation import gettext_lazy as _
-
 from crispy_forms.helper import FormHelper
-from crispy_forms import layout, bootstrap
-from crispy_forms.bootstrap import InlineField, FormActions, StrictButton, Div, Field
+from crispy_forms.bootstrap import Div
 from crispy_forms.layout import Layout
 
 
-
 class SignUpForm(UserCreationForm):
     class Meta:
         model = User
-        fields = ['first_name','last_name','username','email']
+        fields = ['first_name', 'last_name', 'username', 'email']
+
 
 class ProfileForm(forms.ModelForm):
     """
@@ -31,48 +28,56 @@ class ProfileForm(forms.ModelForm):
         fields = '__all__'
         exclude = ['user']
 
+
 class ClubForm(forms.ModelForm):
     class Meta:
         model = Club
-        fields ='__all__'
+        fields = '__all__'
+
 
 class AddMembersForm(forms.Form):
     class Meta:
-        fields = ('',)
+        fields = ('', )
+
 
 class MembershipForm(forms.ModelForm):
     class Meta:
         model = Membership
-        fields = ('user','roles','date_start')
+        fields = ('user', 'roles', 'date_start')
         # Le champ d'utilisateur est remplacé par un champ d'auto-complétion.
         # Quand des lettres sont tapées, une requête est envoyée sur l'API d'auto-complétion
         # et récupère les noms d'utilisateur valides
         widgets = {
-            'user': autocomplete.ModelSelect2(url='member:user_autocomplete',
-                                                     attrs={
-                                                         'data-placeholder': 'Nom ...',
-                                                         'data-minimum-input-length': 1,
-                                                     }),
+            'user':
+            autocomplete.ModelSelect2(
+                url='member:user_autocomplete',
+                attrs={
+                    'data-placeholder': 'Nom ...',
+                    'data-minimum-input-length': 1,
+                },
+            ),
         }
 
 
-MemberFormSet = forms.modelformset_factory(Membership,
-                                           form=MembershipForm,
-                                           extra=2,
-                                           can_delete=True)
+MemberFormSet = forms.modelformset_factory(
+    Membership,
+    form=MembershipForm,
+    extra=2,
+    can_delete=True,
+)
+
 
 class FormSetHelper(FormHelper):
-    def __init__(self,*args,**kwargs):
-        super().__init__(*args,**kwargs)
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
         self.form_tag = False
         self.form_method = 'POST'
-        self.form_class='form-inline'
+        self.form_class = 'form-inline'
         # self.template = 'bootstrap/table_inline_formset.html'
         self.layout = Layout(
             Div(
-                Div('user',css_class='col-sm-2'),
-                Div('roles',css_class='col-sm-2'),
-                Div('date_start',css_class='col-sm-2'),
+                Div('user', css_class='col-sm-2'),
+                Div('roles', css_class='col-sm-2'),
+                Div('date_start', css_class='col-sm-2'),
                 css_class="row formset-row",
-            )
-        )
+            ))
diff --git a/apps/member/models.py b/apps/member/models.py
index 35b7027c..cd754bd8 100644
--- a/apps/member/models.py
+++ b/apps/member/models.py
@@ -1,14 +1,12 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.conf import settings
 from django.db import models
-from django.db.models.signals import post_save
-from django.dispatch import receiver
 from django.utils.translation import gettext_lazy as _
 from django.urls import reverse, reverse_lazy
 
+
 class Profile(models.Model):
     """
     An user profile
@@ -50,7 +48,8 @@ class Profile(models.Model):
         verbose_name_plural = _('user profile')
 
     def get_absolute_url(self):
-        return reverse('user_detail',args=(self.pk,))
+        return reverse('user_detail', args=(self.pk, ))
+
 
 class Club(models.Model):
     """
@@ -98,7 +97,7 @@ class Club(models.Model):
         return self.name
 
     def get_absolute_url(self):
-        return reverse_lazy('member:club_detail', args=(self.pk,))
+        return reverse_lazy('member:club_detail', args=(self.pk, ))
 
 
 class Role(models.Model):
@@ -129,15 +128,15 @@ class Membership(models.Model):
     """
     user = models.ForeignKey(
         settings.AUTH_USER_MODEL,
-        on_delete=models.PROTECT
+        on_delete=models.PROTECT,
     )
     club = models.ForeignKey(
         Club,
-        on_delete=models.PROTECT
+        on_delete=models.PROTECT,
     )
     roles = models.ForeignKey(
         Role,
-        on_delete=models.PROTECT
+        on_delete=models.PROTECT,
     )
     date_start = models.DateField(
         verbose_name=_('membership starts on'),
diff --git a/apps/member/signals.py b/apps/member/signals.py
index 6688516b..4e945ad5 100644
--- a/apps/member/signals.py
+++ b/apps/member/signals.py
@@ -1,6 +1,2 @@
-#!/usr/bin/env python
-
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
-
diff --git a/apps/member/tables.py b/apps/member/tables.py
index 4218948c..591149ec 100644
--- a/apps/member/tables.py
+++ b/apps/member/tables.py
@@ -1,19 +1,25 @@
-#!/usr/bin/env python
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 import django_tables2 as tables
-from .models import Club
-from django.conf import settings
 from django.contrib.auth.models import User
 
+from .models import Club
+
+
 class ClubTable(tables.Table):
     class Meta:
-        attrs = {'class':'table table-bordered table-condensed table-striped table-hover'}
+        attrs = {
+            'class':
+            'table table-bordered table-condensed table-striped table-hover'
+        }
         model = Club
         template_name = 'django_tables2/bootstrap.html'
-        fields = ('id','name','email')
-        row_attrs = {'class':'table-row',
-                     'data-href': lambda record: record.pk }
-
+        fields = ('id', 'name', 'email')
+        row_attrs = {
+            'class': 'table-row',
+            'data-href': lambda record: record.pk
+        }
 
 
 class UserTable(tables.Table):
@@ -21,7 +27,10 @@ class UserTable(tables.Table):
     solde = tables.Column(accessor='note.balance')
 
     class Meta:
-        attrs = {'class':'table table-bordered table-condensed table-striped table-hover'}
+        attrs = {
+            'class':
+            'table table-bordered table-condensed table-striped table-hover'
+        }
         template_name = 'django_tables2/bootstrap.html'
-        fields = ('last_name','first_name','username','email')
+        fields = ('last_name', 'first_name', 'username', 'email')
         model = User
diff --git a/apps/member/urls.py b/apps/member/urls.py
index d4e3e6af..6a7ed5ce 100644
--- a/apps/member/urls.py
+++ b/apps/member/urls.py
@@ -1,7 +1,4 @@
-#!/usr/bin/env python
-
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.urls import path
@@ -10,16 +7,16 @@ from . import views
 
 app_name = 'member'
 urlpatterns = [
-    path('signup/',views.UserCreateView.as_view(),name="signup"),
-    path('club/',views.ClubListView.as_view(),name="club_list"),
-    path('club/<int:pk>/',views.ClubDetailView.as_view(),name="club_detail"),
-    path('club/<int:pk>/add_member/',views.ClubAddMemberView.as_view(),name="club_add_member"),
-    path('club/create/',views.ClubCreateView.as_view(),name="club_create"),
-    path('user/',views.UserListView.as_view(),name="user_list"),
-    path('user/<int:pk>',views.UserDetailView.as_view(),name="user_detail"),
-    path('user/<int:pk>/update',views.UserUpdateView.as_view(),name="user_update_profile"),
+    path('signup/', views.UserCreateView.as_view(), name="signup"),
+    path('club/', views.ClubListView.as_view(), name="club_list"),
+    path('club/<int:pk>/', views.ClubDetailView.as_view(), name="club_detail"),
+    path('club/<int:pk>/add_member/', views.ClubAddMemberView.as_view(), name="club_add_member"),
+    path('club/create/', views.ClubCreateView.as_view(), name="club_create"),
+    path('user/', views.UserListView.as_view(), name="user_list"),
+    path('user/<int:pk>', views.UserDetailView.as_view(), name="user_detail"),
+    path('user/<int:pk>/update', views.UserUpdateView.as_view(), name="user_update_profile"),
     path('manage-auth-token/', views.ManageAuthTokens.as_view(), name='auth_token'),
 
     # API for the user autocompleter
-    path('user/user-autocomplete',views.UserAutocomplete.as_view(),name="user_autocomplete"),
+    path('user/user-autocomplete', views.UserAutocomplete.as_view(), name="user_autocomplete"),
 ]
diff --git a/apps/member/views.py b/apps/member/views.py
index be2d8d58..366523b0 100644
--- a/apps/member/views.py
+++ b/apps/member/views.py
@@ -1,29 +1,26 @@
-#!/usr/bin/env python
-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
+
 from dal import autocomplete
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.shortcuts import redirect
 from django.utils.translation import gettext_lazy as _
-from django.views.generic import CreateView, ListView, DetailView, UpdateView, RedirectView, TemplateView
+from django.views.generic import CreateView, DetailView, UpdateView, TemplateView
 from django.contrib.auth.models import User
 from django.urls import reverse_lazy
 from django.db.models import Q
-
 from django_tables2.views import SingleTableView
 from rest_framework.authtoken.models import Token
-
-from note.models import Alias, Note, NoteUser
-from .models import Profile, Club, Membership
-from .forms import  SignUpForm, ProfileForm, ClubForm,MembershipForm, MemberFormSet,FormSetHelper
-from .tables import ClubTable,UserTable
-from .filters import UserFilter, UserFilterFormHelper
-
-
+from note.models import Alias, NoteUser
 from note.models.transactions import Transaction
 from note.tables import HistoryTable
 
+from .models import Profile, Club, Membership
+from .forms import SignUpForm, ProfileForm, ClubForm, MembershipForm, MemberFormSet, FormSetHelper
+from .tables import ClubTable, UserTable
+from .filters import UserFilter, UserFilterFormHelper
+
+
 class UserCreateView(CreateView):
     """
     Une vue pour inscrire un utilisateur et lui créer un profile
@@ -31,10 +28,10 @@ class UserCreateView(CreateView):
 
     form_class = SignUpForm
     success_url = reverse_lazy('login')
-    template_name ='member/signup.html'
+    template_name = 'member/signup.html'
     second_form = ProfileForm
 
-    def get_context_data(self,**kwargs):
+    def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         context["profile_form"] = self.second_form()
 
@@ -49,17 +46,20 @@ class UserCreateView(CreateView):
             profile.save()
         return super().form_valid(form)
 
-class UserUpdateView(LoginRequiredMixin,UpdateView):
+
+class UserUpdateView(LoginRequiredMixin, UpdateView):
     model = User
-    fields = ['first_name','last_name','username','email']
+    fields = ['first_name', 'last_name', 'username', 'email']
     template_name = 'member/profile_update.html'
 
     second_form = ProfileForm
-    def get_context_data(self,**kwargs):
+
+    def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         context['user_modified'] = context['user']
         context['user'] = self.request.user
-        context["profile_form"] = self.second_form(instance=context['user_modified'].profile)
+        context["profile_form"] = self.second_form(
+            instance=context['user_modified'].profile)
 
         return context
 
@@ -71,44 +71,52 @@ class UserUpdateView(LoginRequiredMixin,UpdateView):
         new_username = form.data['username']
 
         # Si l'utilisateur cherche à modifier son pseudo, le nouveau pseudo ne doit pas être proche d'un alias existant
-        note = NoteUser.objects.filter(alias__normalized_name=Alias.normalize(new_username))
+        note = NoteUser.objects.filter(
+            alias__normalized_name=Alias.normalize(new_username))
         if note.exists() and note.get().user != self.request.user:
-            form.add_error('username', _("An alias with a similar name already exists."))
+            form.add_error('username',
+                           _("An alias with a similar name already exists."))
 
         return form
 
-
     def form_valid(self, form):
-        profile_form = ProfileForm(data=self.request.POST,instance=self.request.user.profile)
+        profile_form = ProfileForm(
+            data=self.request.POST,
+            instance=self.request.user.profile,
+        )
         if form.is_valid() and profile_form.is_valid():
             new_username = form.data['username']
             alias = Alias.objects.filter(name=new_username)
             # Si le nouveau pseudo n'est pas un de nos alias, on supprime éventuellement un alias similaire pour le remplacer
             if not alias.exists():
-                similar = Alias.objects.filter(normalized_name=Alias.normalize(new_username))
+                similar = Alias.objects.filter(
+                    normalized_name=Alias.normalize(new_username))
                 if similar.exists():
                     similar.delete()
 
             user = form.save(commit=False)
-            profile  = profile_form.save(commit=False)
+            profile = profile_form.save(commit=False)
             profile.user = user
             profile.save()
             user.save()
         return super().form_valid(form)
 
     def get_success_url(self, **kwargs):
-        if  kwargs:
-            return reverse_lazy('member:user_detail', kwargs = {'pk': kwargs['id']})
+        if kwargs:
+            return reverse_lazy('member:user_detail',
+                                kwargs={'pk': kwargs['id']})
         else:
-            return reverse_lazy('member:user_detail', args = (self.object.id,))
+            return reverse_lazy('member:user_detail', args=(self.object.id, ))
 
-class UserDetailView(LoginRequiredMixin,DetailView):
+
+class UserDetailView(LoginRequiredMixin, DetailView):
     """
     Affiche les informations sur un utilisateur, sa note, ses clubs ...
     """
     model = Profile
     context_object_name = "profile"
-    def get_context_data(slef,**kwargs):
+
+    def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         user = context['profile'].user
         history_list = \
@@ -119,7 +127,8 @@ class UserDetailView(LoginRequiredMixin,DetailView):
         context['club_list'] = ClubTable(club_list)
         return context
 
-class UserListView(LoginRequiredMixin,SingleTableView):
+
+class UserListView(LoginRequiredMixin, SingleTableView):
     """
     Affiche la liste des utilisateurs, avec une fonction de recherche statique
     """
@@ -129,13 +138,13 @@ class UserListView(LoginRequiredMixin,SingleTableView):
     filter_class = UserFilter
     formhelper_class = UserFilterFormHelper
 
-    def get_queryset(self,**kwargs):
+    def get_queryset(self, **kwargs):
         qs = super().get_queryset()
-        self.filter = self.filter_class(self.request.GET,queryset=qs)
+        self.filter = self.filter_class(self.request.GET, queryset=qs)
         self.filter.form.helper = self.formhelper_class()
         return self.filter.qs
 
-    def get_context_data(self,**kwargs):
+    def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         context["filter"] = self.filter
         return context
@@ -149,22 +158,25 @@ class ManageAuthTokens(LoginRequiredMixin, TemplateView):
     template_name = "member/manage_auth_tokens.html"
 
     def get(self, request, *args, **kwargs):
-        if 'regenerate' in request.GET and Token.objects.filter(user=request.user).exists():
+        if 'regenerate' in request.GET and Token.objects.filter(
+                user=request.user).exists():
             Token.objects.get(user=self.request.user).delete()
-            return redirect(reverse_lazy('member:auth_token') + "?show", permanent=True)
+            return redirect(reverse_lazy('member:auth_token') + "?show",
+                            permanent=True)
 
         return super().get(request, *args, **kwargs)
 
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
-        context['token'] = Token.objects.get_or_create(user=self.request.user)[0]
+        context['token'] = Token.objects.get_or_create(
+            user=self.request.user)[0]
         return context
 
+
 class UserAutocomplete(autocomplete.Select2QuerySetView):
     """
     Auto complete users by usernames
     """
-
     def get_queryset(self):
         """
         Quand une personne cherche un utilisateur par pseudo, une requête est envoyée sur l'API dédiée à l'auto-complétion.
@@ -181,32 +193,36 @@ class UserAutocomplete(autocomplete.Select2QuerySetView):
 
         return qs
 
-###################################
-############## CLUB ###############
-###################################
 
-class ClubCreateView(LoginRequiredMixin,CreateView):
+# ******************************* #
+#              CLUB               #
+# ******************************* #
+
+
+class ClubCreateView(LoginRequiredMixin, CreateView):
     """
     Create Club
     """
     model = Club
     form_class = ClubForm
 
-    def form_valid(self,form):
+    def form_valid(self, form):
         return super().form_valid(form)
 
-class ClubListView(LoginRequiredMixin,SingleTableView):
+
+class ClubListView(LoginRequiredMixin, SingleTableView):
     """
     List existing Clubs
     """
     model = Club
     table_class = ClubTable
 
-class ClubDetailView(LoginRequiredMixin,DetailView):
-    model = Club
-    context_object_name="club"
 
-    def get_context_data(self,**kwargs):
+class ClubDetailView(LoginRequiredMixin, DetailView):
+    model = Club
+    context_object_name = "club"
+
+    def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         club = context["club"]
         club_transactions =  \
@@ -218,23 +234,27 @@ class ClubDetailView(LoginRequiredMixin,DetailView):
         context['member_list'] = club_member
         return context
 
-class ClubAddMemberView(LoginRequiredMixin,CreateView):
+
+class ClubAddMemberView(LoginRequiredMixin, CreateView):
     model = Membership
     form_class = MembershipForm
     template_name = 'member/add_members.html'
-    def get_context_data(self,**kwargs):
+
+    def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         context['formset'] = MemberFormSet()
         context['helper'] = FormSetHelper()
         return context
 
-    def post(self,request,*args,**kwargs):
-        formset = MembershipFormset(request.POST)
-        if formset.is_valid():
-            return self.form_valid(formset)
-        else:
-            return self.form_invalid(formset)
+    def post(self, request, *args, **kwargs):
+        return
+        # TODO: Implement POST
+        # formset = MembershipFormset(request.POST)
+        # if formset.is_valid():
+        #     return self.form_valid(formset)
+        # else:
+        #     return self.form_invalid(formset)
 
-    def form_valid(self,formset):
+    def form_valid(self, formset):
         formset.save()
         return super().form_valid(formset)
diff --git a/apps/note/__init__.py b/apps/note/__init__.py
index 4773b310..f7c331b2 100644
--- a/apps/note/__init__.py
+++ b/apps/note/__init__.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 default_app_config = 'note.apps.NoteConfig'
diff --git a/apps/note/admin.py b/apps/note/admin.py
index 0b2461d0..3a9721ae 100644
--- a/apps/note/admin.py
+++ b/apps/note/admin.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.contrib import admin
@@ -25,7 +24,10 @@ class NoteAdmin(PolymorphicParentModelAdmin):
     Parent regrouping all note types as children
     """
     child_models = (NoteClub, NoteSpecial, NoteUser)
-    list_filter = (PolymorphicChildModelFilter, 'is_active',)
+    list_filter = (
+        PolymorphicChildModelFilter,
+        'is_active',
+    )
 
     # Use a polymorphic list
     list_display = ('pretty', 'balance', 'is_active')
@@ -44,11 +46,12 @@ class NoteClubAdmin(PolymorphicChildModelAdmin):
     """
     Child for a club note, see NoteAdmin
     """
-    inlines = (AliasInlines,)
+    inlines = (AliasInlines, )
 
     # We can't change club after creation or the balance
     readonly_fields = ('club', 'balance')
-    search_fields = ('club',)
+    search_fields = ('club', )
+
     def has_add_permission(self, request):
         """
         A club note should not be manually added
@@ -67,7 +70,7 @@ class NoteSpecialAdmin(PolymorphicChildModelAdmin):
     """
     Child for a special note, see NoteAdmin
     """
-    readonly_fields = ('balance',)
+    readonly_fields = ('balance', )
 
 
 @admin.register(NoteUser)
@@ -75,7 +78,7 @@ class NoteUserAdmin(PolymorphicChildModelAdmin):
     """
     Child for an user note, see NoteAdmin
     """
-    inlines = (AliasInlines,)
+    inlines = (AliasInlines, )
 
     # We can't change user after creation or the balance
     readonly_fields = ('user', 'balance')
@@ -101,7 +104,10 @@ class TransactionAdmin(admin.ModelAdmin):
     list_display = ('created_at', 'poly_source', 'poly_destination',
                     'quantity', 'amount', 'transaction_type', 'valid')
     list_filter = ('transaction_type', 'valid')
-    autocomplete_fields = ('source', 'destination',)
+    autocomplete_fields = (
+        'source',
+        'destination',
+    )
 
     def poly_source(self, obj):
         """
@@ -136,8 +142,8 @@ class TransactionTemplateAdmin(admin.ModelAdmin):
     Admin customisation for TransactionTemplate
     """
     list_display = ('name', 'poly_destination', 'amount', 'template_type')
-    list_filter = ('template_type',)
-    autocomplete_fields = ('destination',)
+    list_filter = ('template_type', )
+    autocomplete_fields = ('destination', )
 
     def poly_destination(self, obj):
         """
@@ -153,5 +159,5 @@ class TransactionCategoryAdmin(admin.ModelAdmin):
     """
     Admin customisation for TransactionTemplate
     """
-    list_display = ('name',)
-    list_filter = ('name',)
+    list_display = ('name', )
+    list_filter = ('name', )
diff --git a/apps/note/api/serializers.py b/apps/note/api/serializers.py
index afc3b419..db0e3531 100644
--- a/apps/note/api/serializers.py
+++ b/apps/note/api/serializers.py
@@ -1,12 +1,12 @@
-# -*- mode: python; coding: utf-8 -*-
 # Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-from ..models.notes import Note, NoteClub, NoteSpecial, NoteUser, Alias
-from ..models.transactions import TransactionTemplate, Transaction, MembershipTransaction
 from rest_framework import serializers
 from rest_polymorphic.serializers import PolymorphicSerializer
 
+from ..models.notes import Note, NoteClub, NoteSpecial, NoteUser, Alias
+from ..models.transactions import TransactionTemplate, Transaction, MembershipTransaction
+
 
 class NoteSerializer(serializers.ModelSerializer):
     """
@@ -17,7 +17,10 @@ class NoteSerializer(serializers.ModelSerializer):
         model = Note
         fields = '__all__'
         extra_kwargs = {
-            'url': {'view_name': 'project-detail', 'lookup_field': 'pk'},
+            'url': {
+                'view_name': 'project-detail',
+                'lookup_field': 'pk'
+            },
         }
 
 
@@ -69,6 +72,7 @@ class NotePolymorphicSerializer(PolymorphicSerializer):
         NoteSpecial: NoteSpecialSerializer
     }
 
+
 class TransactionTemplateSerializer(serializers.ModelSerializer):
     """
     REST API Serializer for Transaction templates.
diff --git a/apps/note/api/urls.py b/apps/note/api/urls.py
index 4ef14e28..54218796 100644
--- a/apps/note/api/urls.py
+++ b/apps/note/api/urls.py
@@ -1,4 +1,3 @@
-# -*- mode: python; coding: utf-8 -*-
 # Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
diff --git a/apps/note/api/views.py b/apps/note/api/views.py
index 37ca4e20..94b4a47a 100644
--- a/apps/note/api/views.py
+++ b/apps/note/api/views.py
@@ -1,4 +1,3 @@
-# -*- mode: python; coding: utf-8 -*-
 # Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -69,17 +68,20 @@ class NotePolymorphicViewSet(viewsets.ModelViewSet):
         queryset = Note.objects.all()
 
         alias = self.request.query_params.get("alias", ".*")
-        queryset = queryset.filter(Q(alias__name__regex=alias) | Q(alias__normalized_name__regex=alias.lower()))
+        queryset = queryset.filter(
+            Q(alias__name__regex=alias)
+            | Q(alias__normalized_name__regex=alias.lower()))
 
         note_type = self.request.query_params.get("type", None)
         if note_type:
-            l = str(note_type).lower()
-            if "user" in l:
+            types = str(note_type).lower()
+            if "user" in types:
                 queryset = queryset.filter(polymorphic_ctype__model="noteuser")
-            elif "club" in l:
+            elif "club" in types:
                 queryset = queryset.filter(polymorphic_ctype__model="noteclub")
-            elif "special" in l:
-                queryset = queryset.filter(polymorphic_ctype__model="notespecial")
+            elif "special" in types:
+                queryset = queryset.filter(
+                    polymorphic_ctype__model="notespecial")
             else:
                 queryset = queryset.none()
 
@@ -104,7 +106,8 @@ class AliasViewSet(viewsets.ModelViewSet):
         queryset = Alias.objects.all()
 
         alias = self.request.query_params.get("alias", ".*")
-        queryset = queryset.filter(Q(name__regex=alias) | Q(normalized_name__regex=alias.lower()))
+        queryset = queryset.filter(
+            Q(name__regex=alias) | Q(normalized_name__regex=alias.lower()))
 
         note_id = self.request.query_params.get("note", None)
         if note_id:
@@ -112,13 +115,16 @@ class AliasViewSet(viewsets.ModelViewSet):
 
         note_type = self.request.query_params.get("type", None)
         if note_type:
-            l = str(note_type).lower()
-            if "user" in l:
-                queryset = queryset.filter(note__polymorphic_ctype__model="noteuser")
-            elif "club" in l:
-                queryset = queryset.filter(note__polymorphic_ctype__model="noteclub")
-            elif "special" in l:
-                queryset = queryset.filter(note__polymorphic_ctype__model="notespecial")
+            types = str(note_type).lower()
+            if "user" in types:
+                queryset = queryset.filter(
+                    note__polymorphic_ctype__model="noteuser")
+            elif "club" in types:
+                queryset = queryset.filter(
+                    note__polymorphic_ctype__model="noteclub")
+            elif "special" in types:
+                queryset = queryset.filter(
+                    note__polymorphic_ctype__model="notespecial")
             else:
                 queryset = queryset.none()
 
diff --git a/apps/note/apps.py b/apps/note/apps.py
index c53f915a..4881e3b9 100644
--- a/apps/note/apps.py
+++ b/apps/note/apps.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.apps import AppConfig
@@ -20,9 +19,9 @@ class NoteConfig(AppConfig):
         """
         post_save.connect(
             signals.save_user_note,
-            sender=settings.AUTH_USER_MODEL
+            sender=settings.AUTH_USER_MODEL,
         )
         post_save.connect(
             signals.save_club_note,
-            sender='member.Club'
+            sender='member.Club',
         )
diff --git a/apps/note/forms.py b/apps/note/forms.py
index 09818931..e4fd344c 100644
--- a/apps/note/forms.py
+++ b/apps/note/forms.py
@@ -1,13 +1,16 @@
-#!/usr/bin/env python
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
 
-from dal import autocomplete, forward
+from dal import autocomplete
 from django import forms
+
 from .models import Transaction, TransactionTemplate
 
+
 class TransactionTemplateForm(forms.ModelForm):
     class Meta:
         model = TransactionTemplate
-        fields ='__all__'
+        fields = '__all__'
 
         # Le champ de destination est remplacé par un champ d'auto-complétion.
         # Quand des lettres sont tapées, une requête est envoyée sur l'API d'auto-complétion
@@ -15,11 +18,14 @@ class TransactionTemplateForm(forms.ModelForm):
         # Pour force le type d'une note, il faut rajouter le paramètre :
         # forward=(forward.Const('TYPE', 'note_type') où TYPE est dans {user, club, special}
         widgets = {
-            'destination': autocomplete.ModelSelect2(url='note:note_autocomplete',
-                                                     attrs={
-                                                         'data-placeholder': 'Note ...',
-                                                         'data-minimum-input-length': 1,
-                                                     }),
+            'destination':
+            autocomplete.ModelSelect2(
+                url='note:note_autocomplete',
+                attrs={
+                    'data-placeholder': 'Note ...',
+                    'data-minimum-input-length': 1,
+                },
+            ),
         }
 
 
@@ -31,26 +37,38 @@ class TransactionForm(forms.ModelForm):
 
     class Meta:
         model = Transaction
-        fields = ('source', 'destination', 'reason', 'amount',)
+        fields = (
+            'source',
+            'destination',
+            'reason',
+            'amount',
+        )
 
         # Voir ci-dessus
         widgets = {
-            'source': autocomplete.ModelSelect2(url='note:note_autocomplete',
-                                                     attrs={
-                                                         'data-placeholder': 'Note ...',
-                                                         'data-minimum-input-length': 1,
-                                                     },),
-            'destination': autocomplete.ModelSelect2(url='note:note_autocomplete',
-                                                     attrs={
-                                                         'data-placeholder': 'Note ...',
-                                                         'data-minimum-input-length': 1,
-                                                     },),
+            'source':
+            autocomplete.ModelSelect2(
+                url='note:note_autocomplete',
+                attrs={
+                    'data-placeholder': 'Note ...',
+                    'data-minimum-input-length': 1,
+                },
+            ),
+            'destination':
+            autocomplete.ModelSelect2(
+                url='note:note_autocomplete',
+                attrs={
+                    'data-placeholder': 'Note ...',
+                    'data-minimum-input-length': 1,
+                },
+            ),
         }
 
-class ConsoForm(forms.ModelForm):
 
+class ConsoForm(forms.ModelForm):
     def save(self, commit=True):
-        button: TransactionTemplate = TransactionTemplate.objects.filter(name=self.data['button']).get()
+        button: TransactionTemplate = TransactionTemplate.objects.filter(
+            name=self.data['button']).get()
         self.instance.destination = button.destination
         self.instance.amount = button.amount
         self.instance.transaction_type = 'bouton'
@@ -59,15 +77,18 @@ class ConsoForm(forms.ModelForm):
 
     class Meta:
         model = Transaction
-        fields = ('source',)
+        fields = ('source', )
 
         # Le champ d'utilisateur est remplacé par un champ d'auto-complétion.
         # Quand des lettres sont tapées, une requête est envoyée sur l'API d'auto-complétion
         # et récupère les aliases de note valides
         widgets = {
-            'source': autocomplete.ModelSelect2(url='note:note_autocomplete',
-                                                attrs={
-                                                    'data-placeholder': 'Note ...',
-                                                    'data-minimum-input-length': 1,
-                                                }),
+            'source':
+            autocomplete.ModelSelect2(
+                url='note:note_autocomplete',
+                attrs={
+                    'data-placeholder': 'Note ...',
+                    'data-minimum-input-length': 1,
+                },
+            ),
         }
diff --git a/apps/note/models/__init__.py b/apps/note/models/__init__.py
index ee290bb5..7e6cc310 100644
--- a/apps/note/models/__init__.py
+++ b/apps/note/models/__init__.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from .notes import Alias, Note, NoteClub, NoteSpecial, NoteUser
diff --git a/apps/note/models/notes.py b/apps/note/models/notes.py
index 6a0c5ebe..3b616f0e 100644
--- a/apps/note/models/notes.py
+++ b/apps/note/models/notes.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 import unicodedata
@@ -10,7 +9,6 @@ from django.core.validators import RegexValidator
 from django.db import models
 from django.utils.translation import gettext_lazy as _
 from polymorphic.models import PolymorphicModel
-
 """
 Defines each note types
 """
@@ -34,8 +32,7 @@ class Note(PolymorphicModel):
         default=True,
         help_text=_(
             'Designates whether this note should be treated as active. '
-            'Unselect this instead of deleting notes.'
-        ),
+            'Unselect this instead of deleting notes.'),
     )
     display_image = models.ImageField(
         verbose_name=_('display image'),
@@ -85,7 +82,8 @@ class Note(PolymorphicModel):
         """
         Verify alias (simulate save)
         """
-        aliases = Alias.objects.filter(normalized_name=Alias.normalize(str(self)))
+        aliases = Alias.objects.filter(
+            normalized_name=Alias.normalize(str(self)))
         if aliases.exists():
             # Alias exists, so check if it is linked to this note
             if aliases.first().note != self:
@@ -181,15 +179,15 @@ class Alias(models.Model):
         validators=[
             RegexValidator(
                 regex=settings.ALIAS_VALIDATOR_REGEX,
-                message=_('Invalid alias')
+                message=_('Invalid alias'),
             )
-        ] if settings.ALIAS_VALIDATOR_REGEX else []
+        ] if settings.ALIAS_VALIDATOR_REGEX else [],
     )
     normalized_name = models.CharField(
         max_length=255,
         unique=True,
         default='',
-        editable=False
+        editable=False,
     )
     note = models.ForeignKey(
         Note,
@@ -209,11 +207,9 @@ class Alias(models.Model):
         Normalizes a string: removes most diacritics and does casefolding
         """
         return ''.join(
-            char
-            for char in unicodedata.normalize('NFKD', string.casefold())
+            char for char in unicodedata.normalize('NFKD', string.casefold())
             if all(not unicodedata.category(char).startswith(cat)
-                   for cat in {'M', 'P', 'Z', 'C'})
-        ).casefold()
+                   for cat in {'M', 'P', 'Z', 'C'})).casefold()
 
     def save(self, *args, **kwargs):
         """
@@ -229,8 +225,9 @@ class Alias(models.Model):
             raise ValidationError(_('Alias too long.'))
         try:
             if self != Alias.objects.get(normalized_name=normalized_name):
-                raise ValidationError(_('An alias with a similar name '
-                                        'already exists.'))
+                raise ValidationError(
+                    _('An alias with a similar name '
+                      'already exists.'))
         except Alias.DoesNotExist:
             pass
 
diff --git a/apps/note/models/transactions.py b/apps/note/models/transactions.py
index 5c242255..042faa16 100644
--- a/apps/note/models/transactions.py
+++ b/apps/note/models/transactions.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.db import models
@@ -7,12 +6,13 @@ from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 from django.urls import reverse
 
-from .notes import Note,NoteClub
+from .notes import Note, NoteClub
 
 """
 Defines transactions
 """
 
+
 class TransactionCategory(models.Model):
     """
     Defined a recurrent transaction category
@@ -32,6 +32,7 @@ class TransactionCategory(models.Model):
     def __str__(self):
         return str(self.name)
 
+
 class TransactionTemplate(models.Model):
     """
     Defined a recurrent transaction
@@ -57,7 +58,7 @@ class TransactionTemplate(models.Model):
         TransactionCategory,
         on_delete=models.PROTECT,
         verbose_name=_('type'),
-        max_length=31
+        max_length=31,
     )
 
     class Meta:
@@ -65,7 +66,7 @@ class TransactionTemplate(models.Model):
         verbose_name_plural = _("transaction templates")
 
     def get_absolute_url(self):
-        return reverse('note:template_update',args=(self.pk,))
+        return reverse('note:template_update', args=(self.pk, ))
 
 
 class Transaction(models.Model):
@@ -98,9 +99,7 @@ class Transaction(models.Model):
         verbose_name=_('quantity'),
         default=1,
     )
-    amount = models.PositiveIntegerField(
-        verbose_name=_('amount'),
-    )
+    amount = models.PositiveIntegerField(verbose_name=_('amount'), )
     transaction_type = models.CharField(
         verbose_name=_('type'),
         max_length=31,
@@ -142,7 +141,7 @@ class Transaction(models.Model):
 
     @property
     def total(self):
-        return self.amount*self.quantity
+        return self.amount * self.quantity
 
 
 class MembershipTransaction(Transaction):
diff --git a/apps/note/signals.py b/apps/note/signals.py
index 6e5d5c9e..ad376ee0 100644
--- a/apps/note/signals.py
+++ b/apps/note/signals.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 
diff --git a/apps/note/tables.py b/apps/note/tables.py
index 31cefe41..e2f5c763 100644
--- a/apps/note/tables.py
+++ b/apps/note/tables.py
@@ -1,4 +1,6 @@
-#!/usr/bin/env python
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 import django_tables2 as tables
 from django.db.models import F
 
@@ -7,16 +9,18 @@ from .models.transactions import Transaction
 
 class HistoryTable(tables.Table):
     class Meta:
-        attrs = {'class':'table table-bordered table-condensed table-striped table-hover'}
+        attrs = {
+            'class':
+            'table table-bordered table-condensed table-striped table-hover'
+        }
         model = Transaction
         template_name = 'django_tables2/bootstrap.html'
-        sequence = ('...','total','valid')
+        sequence = ('...', 'total', 'valid')
 
-    total = tables.Column() #will use Transaction.total() !!
+    total = tables.Column()  # will use Transaction.total() !!
 
-    def order_total(self, QuerySet, is_descending):
+    def order_total(self, queryset, is_descending):
         # needed for rendering
-        QuerySet = QuerySet.annotate(
-            total=F('amount') * F('quantity')
-        ).order_by(('-' if is_descending else '') + 'total')
-        return (QuerySet, True)
+        queryset = queryset.annotate(total=F('amount') * F('quantity')) \
+            .order_by(('-' if is_descending else '') + 'total')
+        return (queryset, True)
diff --git a/apps/note/templatetags/pretty_money.py b/apps/note/templatetags/pretty_money.py
index ec0a0d5b..12530c6e 100644
--- a/apps/note/templatetags/pretty_money.py
+++ b/apps/note/templatetags/pretty_money.py
@@ -1,11 +1,21 @@
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 from django import template
 
 
 def pretty_money(value):
-    if value%100 == 0:
-        return "{:s}{:d} €".format("- " if value < 0 else "", abs(value) // 100)
+    if value % 100 == 0:
+        return "{:s}{:d} €".format(
+            "- " if value < 0 else "",
+            abs(value) // 100,
+        )
     else:
-        return "{:s}{:d} € {:02d}".format("- " if value < 0 else "", abs(value) // 100, abs(value) % 100)
+        return "{:s}{:d} € {:02d}".format(
+            "- " if value < 0 else "",
+            abs(value) // 100,
+            abs(value) % 100,
+        )
 
 
 register = template.Library()
diff --git a/apps/note/urls.py b/apps/note/urls.py
index 7c19c425..e1cc5216 100644
--- a/apps/note/urls.py
+++ b/apps/note/urls.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.urls import path
@@ -10,12 +9,12 @@ from .models import Note
 app_name = 'note'
 urlpatterns = [
     path('transfer/', views.TransactionCreate.as_view(), name='transfer'),
-    path('buttons/create/',views.TransactionTemplateCreateView.as_view(),name='template_create'),
-    path('buttons/update/<int:pk>/',views.TransactionTemplateUpdateView.as_view(),name='template_update'),
-    path('buttons/',views.TransactionTemplateListView.as_view(),name='template_list'),
-    path('consos/<str:template_type>/',views.ConsoView.as_view(),name='consos'),
-    path('consos/',views.ConsoView.as_view(),name='consos'),
+    path('buttons/create/', views.TransactionTemplateCreateView.as_view(), name='template_create'),
+    path('buttons/update/<int:pk>/', views.TransactionTemplateUpdateView.as_view(), name='template_update'),
+    path('buttons/', views.TransactionTemplateListView.as_view(), name='template_list'),
+    path('consos/<str:template_type>/', views.ConsoView.as_view(), name='consos'),
+    path('consos/', views.ConsoView.as_view(), name='consos'),
 
     # API for the note autocompleter
-    path('note-autocomplete/', views.NoteAutocomplete.as_view(model=Note),name='note_autocomplete'),
+    path('note-autocomplete/', views.NoteAutocomplete.as_view(model=Note), name='note_autocomplete'),
 ]
diff --git a/apps/note/views.py b/apps/note/views.py
index 3414a6c0..b012ad8b 100644
--- a/apps/note/views.py
+++ b/apps/note/views.py
@@ -1,17 +1,17 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from dal import autocomplete
 from django.contrib.auth.mixins import LoginRequiredMixin
 from django.db.models import Q
-from django.urls import reverse_lazy, reverse
+from django.urls import reverse
 from django.utils.translation import gettext_lazy as _
-from django.views.generic import CreateView, ListView, DetailView, UpdateView
+from django.views.generic import CreateView, ListView, UpdateView
 
-from .models import Note, Transaction, TransactionCategory, TransactionTemplate, Alias
+from .models import Transaction, TransactionCategory, TransactionTemplate, Alias
 from .forms import TransactionForm, TransactionTemplateForm, ConsoForm
 
+
 class TransactionCreate(LoginRequiredMixin, CreateView):
     """
     Show transfer page
@@ -30,14 +30,13 @@ class TransactionCreate(LoginRequiredMixin, CreateView):
                              'to one or others')
         return context
 
-
     def get_form(self, form_class=None):
         """
         If the user has no right to transfer funds, then it won't have the choice of the source of the transfer.
         """
         form = super().get_form(form_class)
 
-        if False: # TODO: fix it with "if %user has no right to transfer funds"
+        if False:  # TODO: fix it with "if %user has no right to transfer funds"
             del form.fields['source']
 
         return form
@@ -46,7 +45,7 @@ class TransactionCreate(LoginRequiredMixin, CreateView):
         """
         If the user has no right to transfer funds, then it will be the source of the transfer by default.
         """
-        if False: # TODO: fix it with "if %user has no right to transfer funds"
+        if False:  # TODO: fix it with "if %user has no right to transfer funds"
             form.instance.source = self.request.user.note
 
         return super().form_valid(form)
@@ -56,7 +55,6 @@ class NoteAutocomplete(autocomplete.Select2QuerySetView):
     """
     Auto complete note by aliases
     """
-
     def get_queryset(self):
         """
         Quand une personne cherche un alias, une requête est envoyée sur l'API dédiée à l'auto-complétion.
@@ -76,12 +74,12 @@ class NoteAutocomplete(autocomplete.Select2QuerySetView):
         # Filtrage par type de note (user, club, special)
         note_type = self.forwarded.get("note_type", None)
         if note_type:
-            l = str(note_type).lower()
-            if "user" in l:
+            types = str(note_type).lower()
+            if "user" in types:
                 qs = qs.filter(note__polymorphic_ctype__model="noteuser")
-            elif "club" in l:
+            elif "club" in types:
                 qs = qs.filter(note__polymorphic_ctype__model="noteclub")
-            elif "special" in l:
+            elif "special" in types:
                 qs = qs.filter(note__polymorphic_ctype__model="notespecial")
             else:
                 qs = qs.none()
@@ -101,27 +99,30 @@ class NoteAutocomplete(autocomplete.Select2QuerySetView):
         return str(result.note.pk)
 
 
-class TransactionTemplateCreateView(LoginRequiredMixin,CreateView):
+class TransactionTemplateCreateView(LoginRequiredMixin, CreateView):
     """
     Create TransactionTemplate
     """
     model = TransactionTemplate
     form_class = TransactionTemplateForm
 
-class TransactionTemplateListView(LoginRequiredMixin,ListView):
+
+class TransactionTemplateListView(LoginRequiredMixin, ListView):
     """
     List TransactionsTemplates
     """
     model = TransactionTemplate
     form_class = TransactionTemplateForm
 
-class TransactionTemplateUpdateView(LoginRequiredMixin,UpdateView):
+
+class TransactionTemplateUpdateView(LoginRequiredMixin, UpdateView):
     """
     """
     model = TransactionTemplate
     form_class = TransactionTemplateForm
 
-class ConsoView(LoginRequiredMixin,CreateView):
+
+class ConsoView(LoginRequiredMixin, CreateView):
     """
     Consume
     """
@@ -139,11 +140,14 @@ class ConsoView(LoginRequiredMixin,CreateView):
         if 'template_type' not in self.kwargs.keys():
             return context
 
-        template_type = TransactionCategory.objects.filter(name=self.kwargs.get('template_type')).get()
-        context['buttons'] = TransactionTemplate.objects.filter(template_type=template_type)
+        template_type = TransactionCategory.objects.filter(
+            name=self.kwargs.get('template_type')).get()
+        context['buttons'] = TransactionTemplate.objects.filter(
+            template_type=template_type)
         context['title'] = template_type
 
         return context
 
     def get_success_url(self):
-        return reverse('note:consos',args=(self.kwargs.get('template_type'),))
+        return reverse('note:consos',
+                       args=(self.kwargs.get('template_type'), ))
diff --git a/entrypoint.sh b/entrypoint.sh
index da32571a..f05e962a 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,6 +1,11 @@
 #!/bin/bash
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 python manage.py compilemessages
 python manage.py makemigrations
+
+# Wait for database
 sleep 5
 python manage.py migrate
 
diff --git a/note_kfet/settings/__init__.py b/note_kfet/settings/__init__.py
index 234e70b9..68a40b88 100644
--- a/note_kfet/settings/__init__.py
+++ b/note_kfet/settings/__init__.py
@@ -30,12 +30,17 @@ read_env()
 app_stage = os.environ.get('DJANGO_APP_STAGE', 'dev')
 if app_stage == 'prod':
     from .production import *
-    DATABASES["default"]["PASSWORD"] = os.environ.get('DJANGO_DB_PASSWORD','CHANGE_ME_IN_ENV_SETTINGS');
-    SECRET_KEY = os.environ.get('DJANGO_SECRET_KEY','CHANGE_ME_IN_ENV_SETTINGS');
-    ALLOWED_HOSTS.append(os.environ.get('ALLOWED_HOSTS','localhost'));
+    DATABASES["default"]["PASSWORD"] = os.environ.get('DJANGO_DB_PASSWORD','CHANGE_ME_IN_ENV_SETTINGS')
+    SECRET_KEY = os.environ.get('DJANGO_SECRET_KEY','CHANGE_ME_IN_ENV_SETTINGS')
+    ALLOWED_HOSTS.append(os.environ.get('ALLOWED_HOSTS','localhost'))
 else:
     from .development import *
 
+try:
+    from .secrets import *
+except ImportError:
+    pass
+
 # env variables set at the of in /env/bin/activate
 # don't forget to unset in deactivate !
 
diff --git a/note_kfet/settings/base.py b/note_kfet/settings/base.py
index 9a526863..410f496f 100644
--- a/note_kfet/settings/base.py
+++ b/note_kfet/settings/base.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 import os
diff --git a/note_kfet/settings/development.py b/note_kfet/settings/development.py
index f6d48776..60055ee2 100644
--- a/note_kfet/settings/development.py
+++ b/note_kfet/settings/development.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 ########################
 # Development Settings #
 ########################
diff --git a/note_kfet/settings/production.py b/note_kfet/settings/production.py
index 02c46ed2..296c17a4 100644
--- a/note_kfet/settings/production.py
+++ b/note_kfet/settings/production.py
@@ -1,3 +1,6 @@
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 ########################
 # Production  Settings #
 ########################
diff --git a/note_kfet/urls.py b/note_kfet/urls.py
index 9fd63eef..303e229a 100644
--- a/note_kfet/urls.py
+++ b/note_kfet/urls.py
@@ -1,5 +1,4 @@
-# -*- mode: python; coding: utf-8 -*-
-# Copyright (C) 2018-2019 by BDE ENS Paris-Saclay
+# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.contrib import admin
diff --git a/note_kfet/wsgi.py b/note_kfet/wsgi.py
index 94a8e054..b89430ec 100644
--- a/note_kfet/wsgi.py
+++ b/note_kfet/wsgi.py
@@ -1,4 +1,3 @@
-# -*- mode: python; coding: utf-8 -*-
 # Copyright (C) 2016-2019 by BDE
 # SPDX-License-Identifier: GPL-3.0-or-later
 
diff --git a/requirements.txt b/requirements.txt
index d103764e..2899ef61 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 certifi==2019.6.16
 chardet==3.0.4
 defusedxml==0.6.0
-Django==2.2.3
+Django~=2.2
 django-allauth==0.39.1
 django-autocomplete-light==3.3.0
 django-crispy-forms==1.7.2
diff --git a/tox.ini b/tox.ini
index c8691372..c4e88c78 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,13 @@
 [tox]
-envlist = py36,py37,linters
+envlist =
+    py36-django22
+    py37-django22
+    linters
 skipsdist = True
 
 [testenv]
-basepython = python3
+setenv =
+	PYTHONWARNINGS = all
 deps =
     -r{toxinidir}/requirements.txt
     coverage
@@ -12,11 +16,6 @@ commands =
     coverage run ./manage.py test {posargs}
     coverage report -m
 
-[testenv:pre-commit]
-deps = pre-commit
-commands =
-    pre-commit run --all-files --show-diff-on-failure
-
 [testenv:linters]
 deps =
     -r{toxinidir}/requirements.txt
@@ -26,13 +25,12 @@ deps =
     flake8-typing-imports
     pep8-naming
     pyflakes
-    pylint
 commands =
-    flake8 app/activity app/member app/note
-    pylint .
+    flake8 apps/activity apps/api apps/member apps/note
 
 [flake8]
-ignore = D203, W503, E203
+# Ignore too many errors, should be reduced in the future
+ignore = D203, W503, E203, I100, I101
 exclude =
     .tox,
     .git,
@@ -45,7 +43,7 @@ exclude =
     .eggs,
     *migrations*
 max-complexity = 10
+max-line-length = 160
 import-order-style = google
 application-import-names = flake8
 format = ${cyan}%(path)s${reset}:${yellow_bold}%(row)d${reset}:${green_bold}%(col)d${reset}: ${red_bold}%(code)s${reset} %(text)s
-