6, in _doReadOrWrite
why = selectable.doRead()
File "/usr/lib/python2.7/dist-packages/twisted/internet/tcp.py", line 199, in doRead
rval = self.protocol.dataReceived(data)
File "/usr/lib/python2.7/dist-packages/twisted/protocols/basic.py", line 564, in dataReceived
why = self.lineReceived(line)
File "/usr/lib/python2.7/dist-packages/twisted/web/http.py", line 1551, in lineReceived
self.allContentReceived()
File "/usr/lib/python2.7/dist-packages/twisted/web/http.py", line 1618, in allContentReceived
req.requestReceived(command, path, version)
File "/usr/lib/python2.7/dist-packages/twisted/web/http.py", line 773, in requestReceived
self.process()
File "proxy2ch.py", line 131, in process
proxy.ProxyRequest.process(self)
File "/usr/lib/python2.7/dist-packages/twisted/web/proxy.py", line 147, in process
port = self.ports[protocol]
exceptions.KeyError: ''
