old_contents: from django.apps import AppConfig
  from django.core.exceptions import ImproperlyConfigured
  
  from .binding.base import BindingMetaclass
  from .package_checks import check_all
  
  
  class ChannelsConfig(AppConfig):
  
      name = "channels"
      verbose_name = "Channels"
  
      def ready(self):
          # Check versions
          check_all()
          # Do django monkeypatches
          from .hacks import monkeypatch_django
          monkeypatch_django()
          # Instantiate bindings
          BindingMetaclass.register_all()
  
new_contents: from django.apps import AppConfig
  
  from .binding.base import BindingMetaclass
  from .package_checks import check_all
  
  
  class ChannelsConfig(AppConfig):
  
      name = "channels"
      verbose_name = "Channels"
  
      def ready(self):
          # Check versions
          check_all()
          # Do django monkeypatches
          from .hacks import monkeypatch_django
          monkeypatch_django()
          # Instantiate bindings
          BindingMetaclass.register_all()
  
subject: Remove unused import