old_contents: """JestemGraczem URL Configuration
  
  The `urlpatterns` list routes URLs to views. For more information please see:
      https://docs.djangoproject.com/en/1.11/topics/http/urls/
  Examples:
  Function views
      1. Add an import:  from my_app import views
      2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
  Class-based views
      1. Add an import:  from other_app.views import Home
      2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
  Including another URLconf
      1. Import the include() function: from django.conf.urls import url, include
      2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
  """
  from django.contrib import admin
  from django.urls import path
  from django.conf.urls import include
  from django.contrib.auth.models import User
  from rest_framework import routers, serializers, viewsets
  from stream.views import TwitchViewSet, MixerViewSet
  
  from service import views as services
  
  
  class UserSerializer(serializers.HyperlinkedModelSerializer):
      class Meta:
          model = User
          fields = ('url', 'username', 'email', 'is_staff')
  
  
  class UserViewSet(viewsets.ModelViewSet):
      queryset = User.objects.all()
      serializer_class = UserSerializer
  
  
  router = routers.DefaultRouter()
  router.register(r'users', UserViewSet)
  router.register(r'twitch', TwitchViewSet)
  router.register(r'mixer', MixerViewSet)
  
  urlpatterns = [
      path('admin/', admin.site.urls),
      path('stream/', include('stream.urls'), name='stream'),
      path('api/', include(router.urls)),
      path('api-auth/', include('rest_framework.urls', namespace='rest_framework')),
      path('', include('service.urls'), name='service'),
  ]
  
  handler404 = services.page_not_found
  
new_contents: """JestemGraczem URL Configuration
  
  The `urlpatterns` list routes URLs to views. For more information please see:
      https://docs.djangoproject.com/en/1.11/topics/http/urls/
  Examples:
  Function views
      1. Add an import:  from my_app import views
      2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
  Class-based views
      1. Add an import:  from other_app.views import Home
      2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
  Including another URLconf
      1. Import the include() function: from django.conf.urls import url, include
      2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
  """
  from django.contrib import admin
  from django.urls import path
  from django.conf.urls import include
  from django.contrib.auth.models import User
  from rest_framework import routers, serializers, viewsets
  from stream.views import TwitchViewSet, MixerViewSet
  
  from service import views as services
  
  
  class UserSerializer(serializers.HyperlinkedModelSerializer):
      class Meta:
          model = User
          fields = ('url', 'username', 'email', 'is_staff')
  
  
  class UserViewSet(viewsets.ModelViewSet):
      queryset = User.objects.all()
      serializer_class = UserSerializer
  
  
  router = routers.DefaultRouter()
  router.register(r'users', UserViewSet)
  router.register(r'twitch', TwitchViewSet)
  router.register(r'mixer', MixerViewSet)
  
  urlpatterns = [
      path('admin/', admin.site.urls),
      path('stream/', include('stream.urls'), name='stream'),
      path('api/', include(router.urls)),
      path('api-auth/', include('rest_framework.urls', namespace='rest_framework')),
      path('', include('service.urls'), name='service'),
  ]
  
  #handler404 = services.page_not_found
  
subject: Fix 404 error