def Append(self, initializer, *init_args, **init_kwargs):
    self.initializers.append((initializer, init_args, init_kwargs))
Attempt to upgrade the socket environ['wsgi.input'] into a websocket enabled connection.
dataset/ETHPy150Open chromium/web-page-replay/servermanager.py/ServerManager.Append--crossover with--dataset/ETHPy150Open jrief/django-websocket-redis/ws4redis/django_runserver.py/WebsocketRunServer.upgrade_websocket