Execptions in twisted about sslstrip HOT 2 OPEN

Unhandled Error
Traceback (most recent call last):
  File "sslstrip.py", line 105, in main
    reactor.run()
  File "/usr/lib/python2.7/dist-packages/twisted/internet/base.py", line 1192, in run
    self.mainLoop()
  File "/usr/lib/python2.7/dist-packages/twisted/internet/base.py", line 1204, in mainLoop
    self.doIteration(t)
  File "/usr/lib/python2.7/dist-packages/twisted/internet/epollreactor.py", line 396, in doPoll
    log.callWithLogger(selectable, _drdw, selectable, fd, event)
--- <exception caught here> ---
  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)
  File "/usr/lib/python2.7/dist-packages/twisted/internet/posixbase.py", line 627, in _doReadOrWrite
    self._disconnectSelectable(selectable, why, inRead)
  File "/usr/lib/python2.7/dist-packages/twisted/internet/posixbase.py", line 260, in _disconnectSelectable
    selectable.connectionLost(f)
  File "/usr/lib/python2.7/dist-packages/twisted/internet/tcp.py", line 484, in connectionLost
    self._commonConnection.connectionLost(self, reason)
  File "/usr/lib/python2.7/dist-packages/twisted/internet/tcp.py", line 298, in connectionLost
    protocol.connectionLost(reason)
  File "/usr/lib/python2.7/dist-packages/twisted/web/http.py", line 474, in connectionLost
    self.handleResponseEnd()
  File "/home/magnus/hax/tools/sslstrip/sslstrip/ServerConnection.py", line 119, in handleResponseEnd
    HTTPClient.handleResponseEnd(self)
  File "/usr/lib/python2.7/dist-packages/twisted/web/http.py", line 485, in handleResponseEnd
    self.handleResponse(b)
  File "/home/magnus/hax/tools/sslstrip/sslstrip/ServerConnection.py", line 133, in handleResponse
    self.client.write(data)
  File "/usr/lib/python2.7/dist-packages/twisted/web/http.py", line 962, in write
    raise RuntimeError('Request.write called on a request after '
exceptions.RuntimeError: Request.write called on a request after Request.finish was called.