Porblem with tornado

[MaxDomo]

Hi,

I have a problem with tornado library.

[E 201030 11:28:26 websocket:261] Uncaught exception in /gateone/ws Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/tornado/websocket.py", line 258, in wrapper return callback(*args, **kwargs) File "./gateone.py", line 1102, in on_message self.commands[key](value) File "./gateone.py", line 1245, in authenticate secret, api_key, upn, timestamp) File "/usr/local/lib/python2.7/dist-packages/tornado/web.py", line 2068, in _create_signature hash.update(utf8(part)) File "/usr/local/lib/python2.7/dist-packages/tornado/escape.py", line 168, in utf8 assert isinstance(value, unicode) AssertionError

Thx for reply