fmt

problem/views/oj.py

@@ -1,20 +1,23 @@
-from datetime import datetime
 import random
-from django.db.models import Q, Count
+from datetime import datetime
+
 from django.core.cache import cache
-from account.models import User
-from submission.models import Submission, JudgeStatus
-from utils.api import APIView
+from django.db.models import Count, Q
+
 from account.decorators import check_contest_permission
+from account.models import User
+from contest.models import ContestRuleType
+from submission.models import JudgeStatus, Submission
+from utils.api import APIView
 from utils.constants import CacheKey
-from ..models import ProblemTag, Problem
+
+from ..models import Problem, ProblemTag
 from ..serializers import (
+    ProblemListSerializer,
+    ProblemSafeSerializer,
     ProblemSerializer,
     TagSerializer,
-    ProblemSafeSerializer,
-    ProblemListSerializer,
 )
-from contest.models import ContestRuleType
 
 
 class ProblemTagAPI(APIView):