stun KeyError 0700

INFO:raiden.network.sockfactory	trying to find uPnP port mapper... 
DEBUG:raiden.network.upnpsock	connected upnp=<miniupnpc.UPnP object at 0x559597642100>
DEBUG:raiden.network.upnpsock	invalid IPv4 address input=
ERROR:raiden.network.upnpsock	could not query your lanaddr reported=
INFO:raiden.network.sockfactory	uPnP not available, trying STUN for port mapping... 
DEBUG:raiden.network.stunsock	opened socket ip=0.0.0.0 port=40001
DEBUG:raiden.network.stunsock	Initiating STUN for 0.0.0.0:40001 
Traceback (most recent call last):
  File "/home/jacob/Dropbox/prgrms/ethereum/raiden/.venv/bin/raiden", line 11, in <module>
    load_entry_point('raiden', 'console_scripts', 'raiden')()
  File "/home/jacob/Dropbox/prgrms/ethereum/raiden/raiden/__main__.py", line 11, in main
    run(auto_envvar_prefix='RAIDEN')
  File "/home/jacob/Dropbox/prgrms/ethereum/raiden/.venv/lib/python2.7/site-packages/click/core.py", line 722, in __call__
    return self.main(*args, **kwargs)
  File "/home/jacob/Dropbox/prgrms/ethereum/raiden/.venv/lib/python2.7/site-packages/click/core.py", line 697, in main
    rv = self.invoke(ctx)
  File "/home/jacob/Dropbox/prgrms/ethereum/raiden/.venv/lib/python2.7/site-packages/click/core.py", line 1043, in invoke
    return Command.invoke(self, ctx)
  File "/home/jacob/Dropbox/prgrms/ethereum/raiden/.venv/lib/python2.7/site-packages/click/core.py", line 895, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/jacob/Dropbox/prgrms/ethereum/raiden/.venv/lib/python2.7/site-packages/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/home/jacob/Dropbox/prgrms/ethereum/raiden/.venv/lib/python2.7/site-packages/click/decorators.py", line 17, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/home/jacob/Dropbox/prgrms/ethereum/raiden/raiden/ui/cli.py", line 448, in run
    with socket_factory(listen_host, listen_port) as mapped_socket:
  File "/usr/lib64/python2.7/contextlib.py", line 17, in __enter__
    return self.gen.next()
  File "/home/jacob/Dropbox/prgrms/ethereum/raiden/raiden/network/sockfactory.py", line 61, in socket_factory
    with stunsock.stun_socket(source_ip, source_port, *args, **kwargs) as (
  File "/usr/lib64/python2.7/contextlib.py", line 17, in __enter__
    return self.gen.next()
  File "/home/jacob/Dropbox/prgrms/ethereum/raiden/raiden/network/stunsock.py", line 30, in stun_socket
    stun_port=stun_port
  File "/home/jacob/Dropbox/prgrms/ethereum/raiden/.venv/lib/python2.7/site-packages/stun/__init__.py", line 235, in get_nat_type
    changePortRequest)
  File "/home/jacob/Dropbox/prgrms/ethereum/raiden/.venv/lib/python2.7/site-packages/stun/__init__.py", line 136, in stun_test
    bind_resp_msg = dictValToMsgType[msgtype] == "BindResponseMsg"
KeyError: '0700'