diff --git a/apps/activity/views.py b/apps/activity/views.py
index 97ae1375..d5dcc497 100644
--- a/apps/activity/views.py
+++ b/apps/activity/views.py
@@ -11,7 +11,6 @@ from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 from django.views.generic import DetailView, TemplateView, UpdateView
 from django_tables2.views import SingleTableView
-
 from note.models import Alias, NoteSpecial, NoteUser
 from permission.backends import PermissionBackend
 from permission.views import ProtectQuerysetMixin, ProtectedCreateView
diff --git a/apps/member/forms.py b/apps/member/forms.py
index 60819db6..a5d571b6 100644
--- a/apps/member/forms.py
+++ b/apps/member/forms.py
@@ -77,6 +77,7 @@ class ImageForm(forms.Form):
     width = forms.FloatField(widget=forms.HiddenInput())
     height = forms.FloatField(widget=forms.HiddenInput())
 
+
 class ClubForm(forms.ModelForm):
     def clean(self):
         cleaned_data = super().clean()
diff --git a/apps/member/views.py b/apps/member/views.py
index e7dc9925..2a16168e 100644
--- a/apps/member/views.py
+++ b/apps/member/views.py
@@ -3,8 +3,8 @@
 
 import io
 from datetime import timedelta, date
-from PIL import Image
 
+from PIL import Image
 from django.conf import settings
 from django.contrib.auth import logout
 from django.contrib.auth.mixins import LoginRequiredMixin
@@ -18,7 +18,6 @@ from django.utils.translation import gettext_lazy as _
 from django.views.generic import DetailView, UpdateView, TemplateView
 from django.views.generic.edit import FormMixin
 from django_tables2.views import SingleTableView
-
 from rest_framework.authtoken.models import Token
 from note.models import Alias, NoteUser
 from note.models.transactions import Transaction, SpecialTransaction
@@ -576,11 +575,11 @@ class ClubAddMemberView(ProtectQuerysetMixin, ProtectedCreateView):
         Create membership, check that all is good, make transactions
         """
         # Get the club that is concerned by the membership
-        if "club_pk" in self.kwargs: # get from url of new membership
+        if "club_pk" in self.kwargs:  # get from url of new membership
             club = Club.objects.filter(PermissionBackend.filter_queryset(self.request.user, Club, "view")) \
                 .get(pk=self.kwargs["club_pk"])
             user = form.instance.user
-        else: # get from url for renewal
+        else:  # get from url for renewal
             old_membership = self.get_queryset().get(pk=self.kwargs["pk"])
             club = old_membership.club
             user = old_membership.user
@@ -589,7 +588,7 @@ class ClubAddMemberView(ProtectQuerysetMixin, ProtectedCreateView):
 
         # Get form data
         credit_type = form.cleaned_data["credit_type"]
-            # but with this way users can customize their section as they want.
+        # but with this way users can customize their section as they want.
         credit_amount = form.cleaned_data["credit_amount"]
         last_name = form.cleaned_data["last_name"]
         first_name = form.cleaned_data["first_name"]
diff --git a/apps/note/forms.py b/apps/note/forms.py
index 2c468706..1e3d092b 100644
--- a/apps/note/forms.py
+++ b/apps/note/forms.py
@@ -10,7 +10,6 @@ from note_kfet.inputs import Autocomplete, AmountInput, DateTimePickerInput
 from .models import TransactionTemplate, NoteClub, Alias
 
 
-
 class TransactionTemplateForm(forms.ModelForm):
     class Meta:
         model = TransactionTemplate
diff --git a/apps/permission/tests/test_permission_denied.py b/apps/permission/tests/test_permission_denied.py
index ebeaa133..6dc8b888 100644
--- a/apps/permission/tests/test_permission_denied.py
+++ b/apps/permission/tests/test_permission_denied.py
@@ -7,6 +7,7 @@ from django.contrib.auth.models import User
 from django.test import TestCase
 from django.urls import reverse
 from django.utils import timezone
+from django.utils.crypto import get_random_string
 from activity.models import Activity
 from member.models import Club, Membership
 from note.models import NoteUser
@@ -68,12 +69,12 @@ class TestPermissionDenied(TestCase):
         self.assertEqual(response.status_code, 403)
 
     def test_add_member_club(self):
-        club = Club.objects.create()
+        club = Club.objects.create(name=get_random_string(127))
         response = self.client.get(reverse("member:club_add_member", kwargs=dict(club_pk=club.pk)))
         self.assertEqual(response.status_code, 403)
 
     def test_renew_membership(self):
-        club = Club.objects.create()
+        club = Club.objects.create(name=get_random_string(127))
         membership = Membership.objects.create(user=self.user, club=club)
         response = self.client.get(reverse("member:club_renew_membership", kwargs=dict(pk=membership.pk)))
         self.assertEqual(response.status_code, 403)