fix crash

api/views.py

@@ -12,10 +12,9 @@ from django.core.files.storage import default_storage
 from django.core.files.base import ContentFile
 from django.shortcuts import get_object_or_404
 
-from .serializers import ClubSerializer, CourtSerializer, DateIntervalSerializer, DrawLogSerializer, TournamentSerializer, UserSerializer, EventSerializer, RoundSerializer, GroupStageSerializer, MatchSerializer, TeamScoreSerializer, TeamRegistrationSerializer, PlayerRegistrationSerializer, PurchaseSerializer, ShortUserSerializer, FailedApiCallSerializer, LogSerializer, DeviceTokenSerializer, CustomUserSerializer, UnregisteredTeamSerializer, UnregisteredPlayerSerializer, ImageSerializer
+from .serializers import ClubSerializer, CourtSerializer, DateIntervalSerializer, DrawLogSerializer, TournamentSerializer, UserSerializer, EventSerializer, RoundSerializer, GroupStageSerializer, MatchSerializer, TeamScoreSerializer, TeamRegistrationSerializer, PlayerRegistrationSerializer, PurchaseSerializer, ShortUserSerializer, FailedApiCallSerializer, LogSerializer, DeviceTokenSerializer, CustomUserSerializer, UnregisteredTeamSerializer, UnregisteredPlayerSerializer, ImageSerializer, ActivitySerializer, ProspectSerializer, EntitySerializer
 from tournaments.models import Club, Tournament, CustomUser, Event, Round, GroupStage, Match, TeamScore, TeamRegistration, PlayerRegistration, Court, DateInterval, Purchase, FailedApiCall, Log, DeviceToken, DrawLog, UnregisteredTeam, UnregisteredPlayer, Image
 
-from biz.serializers import ActivitySerializer, ProspectSerializer, EntitySerializer
 from biz.models import Activity, Prospect, Entity
 
 from rest_framework import viewsets