Rasa bug

Rasa Open Source
1

when i run rasa shell command, i get my output but with this error:

Traceback (most recent call last):
  File "c:\users\diganth\deekshachatbot\venv\lib\site-packages\sanic\app.py", line 918, in handle_request
    handler, args, kwargs, uri = self.router.get(request)
  File "c:\users\diganth\deekshachatbot\venv\lib\site-packages\sanic\router.py", line 407, in get
    return self._get(request.path, request.method, "")
  File "c:\users\diganth\deekshachatbot\venv\lib\site-packages\sanic\router.py", line 470, in _get
    raise NotFound("Requested URL {} not found".format(url))
sanic.exceptions.NotFound: Requested URL /socket.io/ not found

not sure whats the issue. do help.