ci: add PR quality and coverage gates

backend/contest/management/commands/seed_contests.py

@@ -2,7 +2,6 @@ from django.core.management.base import BaseCommand
 
 from contest.models import Contest, ContestQuestion, Question, QuestionVersion
 
-
 QUESTIONS = {
     Question.Track.BEGINNER: [
         ("b-12-plus-19", "12 + 19", "31"),

backend/contest/routing.py

@@ -2,7 +2,6 @@ from django.urls import path
 
 from .consumers import MatchConsumer
 
-
 websocket_urlpatterns = [
     path("ws/v1/contest/matches/<uuid:match_id>/", MatchConsumer.as_asgi()),
 ]

backend/contest/services.py

@@ -6,6 +6,7 @@ from django.utils import timezone
 from rest_framework.exceptions import ValidationError
 
 from accounts.models import User
+
 from .models import (
     CheatFlag,
     Contest,

backend/contest/tests.py

@@ -1,3 +1,2 @@
-from django.test import TestCase
 
 # Create your tests here.

backend/contest/urls.py

@@ -9,7 +9,6 @@ from .views import (
     MatchStateView,
 )
 
-
 urlpatterns = [
     path("", ContestListView.as_view(), name="contest-list"),
     path("<slug:slug>/start/", AttemptStartView.as_view(), name="attempt-start"),