__on_error() missing 1 required positional argument: 'message'

[sundevilyang]

Hey,
after run python main.py --demo --strategy Doten command, it showed the following error

2020-01-23 12:23:59,361 - INFO - Bot Mode : Trade
2020-01-23 12:23:59,363 - INFO - Starting Bot
2020-01-23 12:23:59,363 - INFO - Strategy : Doten
2020-01-23 12:25:14,856 - ERROR - error from callback <bound method BitMexWs.__on_error of <src.bitmex_websocket.BitMexWs object at 0x1370ccb00>>: __on_error() missing 1 required positional argument: 'message'
2020-01-23 12:25:14,856 - ERROR - error from callback <bound method BitMexWs.__on_close of <src.bitmex_websocket.BitMexWs object at 0x1370ccb00>>: __on_close() missing 1 required positional argument: 'ws'
Traceback (most recent call last):
  File "/Users/ywen8/.pyenv/versions/3.6.5/lib/python3.6/site-packages/urllib3/connection.py", line 157, in _new_conn
    (self._dns_host, self.port), self.timeout, **extra_kw
  File "/Users/ywen8/.pyenv/versions/3.6.5/lib/python3.6/site-packages/urllib3/util/connection.py", line 84, in create_connection
    raise err
  File "/Users/ywen8/.pyenv/versions/3.6.5/lib/python3.6/site-packages/urllib3/util/connection.py", line 74, in create_connection
    sock.connect(sa)
TimeoutError: [Errno 60] Operation timed out

[haikalfouzi]

try downgrading websocket
BitMEX/sample-market-maker#166 (comment)

[erocitna]

I think using older version of websocket-client like 0.52.0 works. Try uninstalling the one you are using and installing 0.52.0.