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

backend/apps/api/v1/accounts/serializers.py

@@ -1,5 +1,6 @@
-from rest_framework import serializers
 from drf_spectacular.utils import extend_schema_field
+from rest_framework import serializers
+
 from apps.accounts.models import UserProfile
 from apps.accounts.serializers import UserSerializer  # existing shared user serializer
 
@@ -24,7 +25,7 @@ class UserProfileUpdateInputSerializer(serializers.ModelSerializer):
             from django_cloudflareimages_toolkit.models import CloudflareImage
             image, _ = CloudflareImage.objects.get_or_create(cloudflare_id=cloudflare_id)
             instance.avatar = image
-        
+
         return super().update(instance, validated_data)