Unable to start Rasa X web browser, found the below Error
//.local/lib/python3.6/site-packages/dateutil/parser.py", line 93, in get_token
nextchar = self.instream.read(1)
AttributeError: 'NoneType' object has no attribute 'read'
Note: I am using virtual-env for running Rasa server, because I have other projects which are running on Python 3x as well.