尝试加入会议室时发生flask\u socketio错误

调用join_room（）时，会触发以下异常：

AttributeError: 'Request' object has no attribute 'sid'

请帮我找出原因

以下是堆栈：

    127.0.0.1 - - [2017-09-26 19:56:31] "GET /socket.io/?EIO=3&transport=polling&t=Lx0dkBs HTTP/1.1" 200 345 0.001772
    Traceback (most recent call last):
      File "/usr/local/lib/python2.7/site-packages/flask/app.py", line 1991, in wsgi_app
        response = self.make_response(self.handle_exception(e))
      File "/usr/local/lib/python2.7/site-packages/flask/app.py", line 1567, in handle_exception
        reraise(exc_type, exc_value, tb)
      File "/usr/local/lib/python2.7/site-packages/flask/app.py", line 1988, in wsgi_app
        response = self.full_dispatch_request()
      File "/usr/local/lib/python2.7/site-packages/flask/app.py", line 1641, in full_dispatch_request
        rv = self.handle_user_exception(e)
      File "/usr/local/lib/python2.7/site-packages/flask/app.py", line 1544, in handle_user_exception
        reraise(exc_type, exc_value, tb)
      File "/usr/local/lib/python2.7/site-packages/flask/app.py", line 1639, in full_dispatch_request
        rv = self.dispatch_request()
      File "/usr/local/lib/python2.7/site-packages/flask/app.py", line 1625, in dispatch_request
        return self.view_functions[rule.endpoint](**req.view_args)
      File "server.py", line 26, in index
        join_room(game_id)
      File "/usr/local/lib/python2.7/site-packages/flask_socketio/__init__.py", line 756, in join_room
        sid = sid or flask.request.sid
      File "/usr/local/lib/python2.7/site-packages/werkzeug/local.py", line 343, in __getattr__
        return getattr(self._get_current_object(), name)
    AttributeError: 'Request' object has no attribute 'sid'

Flask SocketIO的

join\u room（）

函数基于上下文。它只在从Socket.IO事件处理程序内部调用它时起作用

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在您在问题中复制的堆栈跟踪中，调用似乎是通过常规HTTP路由进行的，该路由没有足够的信息来标识Socket.IO会话。

您遵循的是哪个教程？我相信来自某个github回购协议。对吗？请分享链接