Refactor test utilities and enhance ASGI settings

- Cleaned up and standardized assertions in ApiTestMixin for API response validation.
- Updated ASGI settings to use os.environ for setting the DJANGO_SETTINGS_MODULE.
- Removed unused imports and improved formatting in settings.py.
- Refactored URL patterns in urls.py for better readability and organization.
- Enhanced view functions in views.py for consistency and clarity.
- Added .flake8 configuration for linting and style enforcement.
- Introduced type stubs for django-environ to improve type checking with Pylance.

accounts/management/commands/reset_social_apps.py

@@ -3,34 +3,37 @@ from allauth.socialaccount.models import SocialApp
 from django.contrib.sites.models import Site
 from django.db import connection
 
+
 class Command(BaseCommand):
-    help = 'Reset social apps configuration'
+    help = "Reset social apps configuration"
 
     def handle(self, *args, **options):
         # Delete all social apps using raw SQL to bypass Django's ORM
         with connection.cursor() as cursor:
             cursor.execute("DELETE FROM socialaccount_socialapp_sites")
             cursor.execute("DELETE FROM socialaccount_socialapp")
-        
+
         # Get the default site
         site = Site.objects.get(id=1)
-        
+
         # Create Discord app
         discord_app = SocialApp.objects.create(
-            provider='discord',
-            name='Discord',
-            client_id='1299112802274902047',
-            secret='ece7Pe_M4mD4mYzAgcINjTEKL_3ftL11',
+            provider="discord",
+            name="Discord",
+            client_id="1299112802274902047",
+            secret="ece7Pe_M4mD4mYzAgcINjTEKL_3ftL11",
         )
         discord_app.sites.add(site)
-        self.stdout.write(f'Created Discord app with ID: {discord_app.id}')
-        
+        self.stdout.write(f"Created Discord app with ID: {discord_app.pk}")
+
         # Create Google app
         google_app = SocialApp.objects.create(
-            provider='google',
-            name='Google',
-            client_id='135166769591-nopcgmo0fkqfqfs9qe783a137mtmcrt2.apps.googleusercontent.com',
-            secret='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',
+            provider="google",
+            name="Google",
+            client_id=(
+                "135166769591-nopcgmo0fkqfqfs9qe783a137mtmcrt2.apps.googleusercontent.com"
+            ),
+            secret="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",
         )
         google_app.sites.add(site)
-        self.stdout.write(f'Created Google app with ID: {google_app.id}')
+        self.stdout.write(f"Created Google app with ID: {google_app.pk}")