Revert migration that create groups

       It is already done in a command named "init_groups"

apps/rp/forms.py

@@ -18,6 +18,6 @@ class TagMultipleChoiceField(forms.ModelMultipleChoiceField):
 
 class SignupForm(forms.Form):
     def signup(self, request, user):
-        group = Group.objects.get(name='Padawan')
+        group = Group.objects.get(name='padawan')
         user.groups.add(group)
         user.save()

apps/rp/migrations/0017_groups.py

 from django.db import migrations
 from django.contrib.auth.models import Group
 
-def add_groups(apps, schema_editor):
-    groups = ['Jedi', 'Padawan', 'Droid']
+groups = ['Jedi', 'Padawan', 'Droid']
 
+def add_groups(apps, schema_editor):
     for i in groups:
         group = Group(name=i)
         group.save()
 
 def remove_groups(apps, schema_editor):
-    Group.objects.all().delete()
+    for i in groups:
+        Group.objects.filter(name=i).delete()
 
 
 class Migration(migrations.Migration):

apps/rp/migrations/0018_add_groups_to_users.py → apps/rp/migrations/0018_revert_0017.py

 from django.db import migrations
 from django.contrib.auth.models import Group, User
 
-def add_groups(apps, schema_editor):
-    users = User.objects.all()
-    padawanGroup = Group.objects.get(name='Padawan')
+def remove_groups(apps, schema_editor):
+    groups = ['Jedi', 'Padawan', 'Droid']
+
+    for i in groups:
+        Group.objects.filter(name=i).delete()
 
-    for user in users:
-        user.groups.add(padawanGroup)
-        user.save()
 
 class Migration(migrations.Migration):
 
@@ -16,5 +15,5 @@ class Migration(migrations.Migration):
     ]
 
     operations = [
-        migrations.RunPython(add_groups),
+        migrations.RunPython(remove_groups),
     ]

templates/base.html

@@ -58,7 +58,7 @@
 					<li class="nav-item">
 						<a class="nav-link">
 						  Vous êtes {{user.groups.all.0.name}}
-						  {% if user.groups.all.0.name == "Padawan" %}
+						  {% if user.groups.all.0.name == "padawan" %}
 						  <img class="inline-image ml-2" role="img" src="{% static 'img/padawan.svg' %}" />
 						  {% elif user.groups.all.0.name == "Jedi" %}
 						  <img class="inline-image ml-2" role="img" src="{% static 'img/jedi.svg' %}" />