Hello, I maintain a wxPython application that uses Twisted for the networking back-end. After upgrading from Twisted 1.3 to 2.0, the application fails to connect to a given hostname (e.g. "localhost"), although everything works fine if an explicit IP address is provided. My application runs the Twisted loop by polling with a timer, like so: ------------------------------------------------------------------------ class MyApp(wxApp): def OnInit(self): ... EVT_TIMER(self, TIMERID, self.OnTimer) self.timer = wxTimer(self, TIMERID) self.timer.Start(250, False) ... def OnTimer(self, event): reactor.runUntilCurrent() reactor.doIteration(0) def connect(self, event=None): ... reactor.connectTCP(hostname, portNum, MyClientFactory()) reactor.startRunning() app = MyApp(0) app.MainLoop() ------------------------------------------------------------------------ Any idea what's going on here? I suspect this guy is dealing with a related issue: http://groups-beta.google.com/group/comp.lang.python/browse_frm/thread/1f0be... Paul