fmt

problemset/views/oj.py

@@ -1,31 +1,28 @@
-from django.db.models import Q, Avg, Count, Prefetch
+from django.db.models import Avg, Count, Prefetch, Q
 from django.utils import timezone
 
-from utils.api import APIView, validate_serializer
-
 from account.models import User
-
+from problem.models import Problem
 from problemset.models import (
     ProblemSet,
-    ProblemSetProblem,
     ProblemSetBadge,
+    ProblemSetProblem,
     ProblemSetProgress,
     ProblemSetSubmission,
     UserBadge,
 )
 from problemset.serializers import (
-    ProblemSetSerializer,
+    JoinProblemSetSerializer,
+    ProblemSetBadgeSerializer,
     ProblemSetListSerializer,
     ProblemSetProblemSerializer,
-    ProblemSetBadgeSerializer,
     ProblemSetProgressSerializer,
-    UserBadgeSerializer,
-    JoinProblemSetSerializer,
+    ProblemSetSerializer,
     UpdateProgressSerializer,
+    UserBadgeSerializer,
 )
-
 from submission.models import Submission
-from problem.models import Problem
+from utils.api import APIView, validate_serializer
 
 
 class ProblemSetAPI(APIView):