diff --git a/apps/activity/admin.py b/apps/activity/admin.py
index 1efe272c..494baffc 100644
--- a/apps/activity/admin.py
+++ b/apps/activity/admin.py
@@ -12,7 +12,7 @@ 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..46bd8384 100644
--- a/apps/activity/api/serializers.py
+++ b/apps/activity/api/serializers.py
@@ -5,6 +5,7 @@
 from ..models import ActivityType, Activity, Guest
 from rest_framework import serializers
 
+
 class ActivityTypeSerializer(serializers.ModelSerializer):
     """
     REST API Serializer for Activity types.
diff --git a/apps/api/urls.py b/apps/api/urls.py
index 7ac56ca1..475120fc 100644
--- a/apps/api/urls.py
+++ b/apps/api/urls.py
@@ -17,10 +17,13 @@ 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/admin.py b/apps/member/admin.py
index f45d5f55..2aa65d09 100644
--- a/apps/member/admin.py
+++ b/apps/member/admin.py
@@ -19,9 +19,9 @@ 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/filters.py b/apps/member/filters.py
index fb1a2128..76e0d52b 100644
--- a/apps/member/filters.py
+++ b/apps/member/filters.py
@@ -2,30 +2,35 @@
 # Copyright (C) 2018-2019 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, NumberFilter
 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
+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..ef32e9b8 100644
--- a/apps/member/forms.py
+++ b/apps/member/forms.py
@@ -16,11 +16,11 @@ from crispy_forms.bootstrap import InlineField, FormActions, StrictButton, 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 +31,56 @@ 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..ae5d90d5 100644
--- a/apps/member/models.py
+++ b/apps/member/models.py
@@ -9,6 +9,7 @@ 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 +51,8 @@ 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 +100,7 @@ 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 +131,15 @@ 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..6ac23376 100644
--- a/apps/member/signals.py
+++ b/apps/member/signals.py
@@ -1,6 +1,3 @@
-#!/usr/bin/env python
-
 # -*- mode: python; coding: utf-8 -*-
 # Copyright (C) 2018-2019 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..8ae10476 100644
--- a/apps/member/tables.py
+++ b/apps/member/tables.py
@@ -5,15 +5,20 @@ from .models import Club
 from django.conf import settings
 from django.contrib.auth.models import User
 
+
 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 +26,10 @@ 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/views.py b/apps/member/views.py
index be2d8d58..86ce3b19 100644
--- a/apps/member/views.py
+++ b/apps/member/views.py
@@ -16,14 +16,14 @@ 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 .forms import SignUpForm, ProfileForm, ClubForm, MembershipForm, MemberFormSet, FormSetHelper
+from .tables import ClubTable, UserTable
 from .filters import UserFilter, UserFilterFormHelper
 
-
 from note.models.transactions import Transaction
 from note.tables import HistoryTable
 
+
 class UserCreateView(CreateView):
     """
     Une vue pour inscrire un utilisateur et lui créer un profile
@@ -31,10 +31,10 @@ 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 +49,20 @@ 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 +74,52 @@ 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 +130,8 @@ 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 +141,13 @@ 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 +161,25 @@ 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 +196,36 @@ class UserAutocomplete(autocomplete.Select2QuerySetView):
 
         return qs
 
+
 ###################################
 ############## CLUB ###############
 ###################################
 
-class ClubCreateView(LoginRequiredMixin,CreateView):
+
+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 +237,25 @@ 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):
+    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 form_valid(self,formset):
+    def form_valid(self, formset):
         formset.save()
         return super().form_valid(formset)
diff --git a/apps/note/admin.py b/apps/note/admin.py
index 0b2461d0..be01da94 100644
--- a/apps/note/admin.py
+++ b/apps/note/admin.py
@@ -25,7 +25,10 @@ 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 +47,12 @@ 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 +71,7 @@ class NoteSpecialAdmin(PolymorphicChildModelAdmin):
     """
     Child for a special note, see NoteAdmin
     """
-    readonly_fields = ('balance',)
+    readonly_fields = ('balance', )
 
 
 @admin.register(NoteUser)
@@ -75,7 +79,7 @@ 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 +105,10 @@ 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 +143,8 @@ 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 +160,5 @@ 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..90c802a9 100644
--- a/apps/note/api/serializers.py
+++ b/apps/note/api/serializers.py
@@ -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/views.py b/apps/note/api/views.py
index 37ca4e20..a63cf102 100644
--- a/apps/note/api/views.py
+++ b/apps/note/api/views.py
@@ -69,7 +69,9 @@ 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:
@@ -79,7 +81,8 @@ class NotePolymorphicViewSet(viewsets.ModelViewSet):
             elif "club" in l:
                 queryset = queryset.filter(polymorphic_ctype__model="noteclub")
             elif "special" in l:
-                queryset = queryset.filter(polymorphic_ctype__model="notespecial")
+                queryset = queryset.filter(
+                    polymorphic_ctype__model="notespecial")
             else:
                 queryset = queryset.none()
 
@@ -104,7 +107,8 @@ 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:
@@ -114,11 +118,14 @@ class AliasViewSet(viewsets.ModelViewSet):
         if note_type:
             l = str(note_type).lower()
             if "user" in l:
-                queryset = queryset.filter(note__polymorphic_ctype__model="noteuser")
+                queryset = queryset.filter(
+                    note__polymorphic_ctype__model="noteuser")
             elif "club" in l:
-                queryset = queryset.filter(note__polymorphic_ctype__model="noteclub")
+                queryset = queryset.filter(
+                    note__polymorphic_ctype__model="noteclub")
             elif "special" in l:
-                queryset = queryset.filter(note__polymorphic_ctype__model="notespecial")
+                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..4ac2c847 100644
--- a/apps/note/apps.py
+++ b/apps/note/apps.py
@@ -20,9 +20,9 @@ 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..8f670455 100644
--- a/apps/note/forms.py
+++ b/apps/note/forms.py
@@ -4,10 +4,11 @@ from dal import autocomplete, forward
 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 +16,14 @@ 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 +35,38 @@ 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 +75,18 @@ 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/notes.py b/apps/note/models/notes.py
index 6a0c5ebe..a5ab993a 100644
--- a/apps/note/models/notes.py
+++ b/apps/note/models/notes.py
@@ -10,7 +10,6 @@ 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 +33,7 @@ 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 +83,8 @@ 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 +180,15 @@ 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 +208,9 @@ 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 +226,9 @@ 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/tables.py b/apps/note/tables.py
index 31cefe41..f13b502e 100644
--- a/apps/note/tables.py
+++ b/apps/note/tables.py
@@ -7,16 +7,19 @@ 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):
         # needed for rendering
         QuerySet = QuerySet.annotate(
-            total=F('amount') * F('quantity')
-        ).order_by(('-' if is_descending else '') + 'total')
+            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..c1525056 100644
--- a/apps/note/templatetags/pretty_money.py
+++ b/apps/note/templatetags/pretty_money.py
@@ -2,10 +2,17 @@ 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/views.py b/apps/note/views.py
index 3414a6c0..d4590e5f 100644
--- a/apps/note/views.py
+++ b/apps/note/views.py
@@ -12,6 +12,7 @@ from django.views.generic import CreateView, ListView, DetailView, UpdateView
 from .models import Note, Transaction, TransactionCategory, TransactionTemplate, Alias
 from .forms import TransactionForm, TransactionTemplateForm, ConsoForm
 
+
 class TransactionCreate(LoginRequiredMixin, CreateView):
     """
     Show transfer page
@@ -30,14 +31,13 @@ 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 +46,7 @@ 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 +56,6 @@ 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.
@@ -101,27 +100,30 @@ 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 +141,14 @@ 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'), ))