ua_dict missing data raises: exceptions.TypeError: parse_device() takes exactly 3 arguments (1 given)

[llazzaro]

ua_dict dict "device" value only contains "family"
This causes the following exception:

Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/twisted/python/log.py", line 88, in callWithLogger return callWithContext({"system": lp}, func, *args, **kw) File "/usr/lib/python2.7/dist-packages/twisted/python/log.py", line 73, in callWithContext return context.call({ILogContext: newCtx}, func, *args, **kw) File "/usr/lib/python2.7/dist-packages/twisted/python/context.py", line 118, in callWithContext return self.currentContext().callWithContext(ctx, func, *args, **kw) File "/usr/lib/python2.7/dist-packages/twisted/python/context.py", line 81, in callWithContext return func(*args,**kw) --- <exception caught here> --- File "/usr/lib/python2.7/dist-packages/twisted/internet/posixbase.py", line 619, in _doReadOrWrite why = selectable.doWrite() File "/usr/lib/python2.7/dist-packages/twisted/internet/tcp.py", line 592, in doConnect self._connectDone() File "/usr/lib/python2.7/dist-packages/twisted/internet/tcp.py", line 611, in _connectDone self.protocol.makeConnection(self) File "/usr/lib/python2.7/dist-packages/twisted/internet/protocol.py", line 481, in makeConnection self.connectionMade() File "/home/pi/MITMf/core/sslstrip/ServerConnection.py", line 108, in connectionMade user_agent = parse(self.headers['user-agent']) File "/usr/local/lib/python2.7/dist-packages/user_agents/parsers.py", line 255, in parse return UserAgent(user_agent_string) File "/usr/local/lib/python2.7/dist-packages/user_agents/parsers.py", line 140, in __init__ self.device = parse_device(**ua_dict['device']) exceptions.TypeError: parse_device() takes exactly 3 arguments (1 given)