UnicodeError

[panosangelopoulos]

I'm getting a unicode error.

Log file as referred below.

UnicodeError: ('The value must be a native string', 'Access-Control-Max-Age', 3600)
Fri Jul 28 12:34:22 2017 <Greenlet at 0x10107f730: _handle_and_close_when_done(<bound method SocketIOServer.handle of <SocketIOSe, <bound method SocketIOServer.do_close of <SocketIO, (<socket at 0x1010dbb50 fileno=[Errno 9] Bad file )> failed with UnicodeError