feat: Implement MFA authentication, add ride statistics model, and update various services, APIs, and tests across the application.

backend/apps/accounts/tests/test_admin.py

@@ -6,7 +6,6 @@ password reset, and top list admin classes including query optimization
 and custom actions.
 """
 
-import pytest
 from django.contrib.admin.sites import AdminSite
 from django.contrib.auth import get_user_model
 from django.test import RequestFactory, TestCase
@@ -20,7 +19,6 @@ from apps.accounts.admin import (
 from apps.accounts.models import (
     EmailVerification,
     PasswordReset,
-
     User,
     UserProfile,
 )

backend/apps/accounts/tests/test_model_constraints.py

@@ -7,9 +7,8 @@ These tests verify that:
 3. Business rules are enforced at the model level
 """
 
-from django.test import TestCase
 from django.db import IntegrityError
-from django.core.exceptions import ValidationError
+from django.test import TestCase
 from django.utils import timezone
 
 from apps.accounts.models import User

backend/apps/accounts/tests/test_user_deletion.py

@@ -2,10 +2,11 @@
 Tests for user deletion while preserving submissions.
 """
 
-from django.test import TestCase
 from django.db import transaction
-from apps.accounts.services import UserDeletionService
+from django.test import TestCase
+
 from apps.accounts.models import User, UserProfile
+from apps.accounts.services import UserDeletionService
 
 
 class UserDeletionServiceTest(TestCase):
@@ -140,13 +141,12 @@ class UserDeletionServiceTest(TestCase):
         original_user_count = User.objects.count()
 
         # Mock a failure during the deletion process
-        with self.assertRaises(Exception):
-            with transaction.atomic():
-                # Start the deletion process
-                UserDeletionService.get_or_create_deleted_user()
+        with self.assertRaises(Exception), transaction.atomic():
+            # Start the deletion process
+            UserDeletionService.get_or_create_deleted_user()
 
-                # Simulate an error
-                raise Exception("Simulated error during deletion")
+            # Simulate an error
+            raise Exception("Simulated error during deletion")
 
         # Verify user count hasn't changed
         self.assertEqual(User.objects.count(), original_user_count)