old_contents: from django.core.management.base import BaseCommand
  from django.core.wsgi import get_wsgi_application
  
  from aiohttp_wsgi import WSGIHandler
  
  from redis_pubsub.contrib import websockets
  
  
  class Command(BaseCommand):
      """ an alternative to Djangos runserver command. simply runs the django wsgi
      application as an endpoint in a Aiohttp app. All requests to the wsgi endpoints are
      run in the event loop executor in the same event loop as your websocket coroutines.
      """
      def add_arguments(self, parser):
          parser.add_argument(
              "--host", default="localhost",
              help="the hostname to serve on"
              )
          parser.add_argument(
              "--port", default=8000, type=int,
              help="the port to serve on"
              )
  
      def handle(self, *args, **options):
          host = options["host"]
          port = options["port"]
  
          print("Prepairing async server ...")
          loop = asyncio.get_event_loop()
          wsgi_app = WSGIHandler(get_wsgi_application(), loop=loop)
          aio_app = websockets.setup(loop=loop)
          aio_app.router.add_route("*", "/{path_info:.*}", wsgi_app.handle_request)
  
          print("Starting async server ...")
          server = loop.create_server(aio_app.make_handler(), host, port)
          server = loop.run_until_complete(server)
          try:
              print("Server running on {0}:{1}\n CTRL-C to stop.".format(host, port))
              loop.run_forever()
          except KeyboardInterrupt:
              print("Stopping server...")
              server.close()
              loop.run_until_complete(service.wait_closed())
  
new_contents: import asyncio
  
  from django.core.management.base import BaseCommand
  from django.core.wsgi import get_wsgi_application
  
  from aiohttp_wsgi import WSGIHandler
  
  from redis_pubsub.contrib import websockets
  
  
  class Command(BaseCommand):
      """ an alternative to Djangos runserver command. simply runs the django wsgi
      application as an endpoint in a Aiohttp app. All requests to the wsgi endpoints are
      run in the event loop executor in the same event loop as your websocket coroutines.
      """
      def add_arguments(self, parser):
          parser.add_argument(
              "--host", default="localhost",
              help="the hostname to serve on"
              )
          parser.add_argument(
              "--port", default=8000, type=int,
              help="the port to serve on"
              )
  
      def handle(self, *args, **options):
          host = options["host"]
          port = options["port"]
  
          print("Prepairing async server ...")
          loop = asyncio.get_event_loop()
          wsgi_app = WSGIHandler(get_wsgi_application(), loop=loop)
          aio_app = websockets.setup(loop=loop)
          aio_app.router.add_route("*", "/{path_info:.*}", wsgi_app.handle_request)
  
          print("Starting async server ...")
          server = loop.create_server(aio_app.make_handler(), host, port)
          server = loop.run_until_complete(server)
          try:
              print("Server running on {0}:{1}\n CTRL-C to stop.".format(host, port))
              loop.run_forever()
          except KeyboardInterrupt:
              print("Stopping server...")
              server.close()
              loop.run_until_complete(service.wait_closed())
  
subject: Update async_runserver.py