Something is causing waitress to fail

[mpacer]

Not sure what's causing this but here's the traceback

@stefanv any thoughts?

ERROR:waitress:uncaptured python exception, closing channel <waitress.channel.HTTPChannel connected 128.32.30.77:41652 at 0x104f00048> (<class 'TypeError'>:coercing to str: need a bytes-like object, NoneType found [/Users/mpacer/anaconda3/lib/python3.5/asyncore.py|read|83] [/Users/mpacer/anaconda3/lib/python3.5/asyncore.py|handle_read_event|423] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/channel.py|handle_read|174] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/channel.py|received|191] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/parser.py|received|102] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/parser.py|parse_header|201] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/compat.py|tostr|53])
ERROR:waitress:uncaptured python exception, closing channel <waitress.channel.HTTPChannel connected 128.32.30.77:41656 at 0x104f2a208> (<class 'TypeError'>:coercing to str: need a bytes-like object, NoneType found [/Users/mpacer/anaconda3/lib/python3.5/asyncore.py|read|83] [/Users/mpacer/anaconda3/lib/python3.5/asyncore.py|handle_read_event|423] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/channel.py|handle_read|174] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/channel.py|received|191] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/parser.py|received|102] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/parser.py|parse_header|201] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/compat.py|tostr|53])
ERROR:waitress:uncaptured python exception, closing channel <waitress.channel.HTTPChannel connected 128.32.30.77:42604 at 0x104f33710> (<class 'TypeError'>:coercing to str: need a bytes-like object, NoneType found [/Users/mpacer/anaconda3/lib/python3.5/asyncore.py|read|83] [/Users/mpacer/anaconda3/lib/python3.5/asyncore.py|handle_read_event|423] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/channel.py|handle_read|174] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/channel.py|received|191] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/parser.py|received|102] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/parser.py|parse_header|201] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/compat.py|tostr|53])
ERROR:waitress:uncaptured python exception, closing channel <waitress.server.TcpWSGIServer listening 0.0.0.0:7001 at 0x104c2e198> (<class 'OSError'>:[Errno 22] Invalid argument [/Users/mpacer/anaconda3/lib/python3.5/asyncore.py|read|83] [/Users/mpacer/anaconda3/lib/python3.5/asyncore.py|handle_read_event|417] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/server.py|handle_accept|252] [/Users/mpacer/anaconda3/lib/python3.5/site-packages/waitress/server.py|set_socket_options|315])

[andrewisplinghoff]

I've opened a pull request for waitress that should fix this issue: Pylons/waitress#221