490     try:

   490     import warnings

   491         from threading import Thread, currentThread

   491     with warnings.catch_warnings():

   492         if havewx:

   492         warnings.simplefilter("ignore")

   493             from twisted.internet import wxreactor

   493         try:

   494             wxreactor.install()

   494             from threading import Thread, currentThread

   495         from twisted.internet import reactor, task

   495             if havewx:

   496         from twisted.python import log, util

   496                 from twisted.internet import wxreactor

   497         from nevow import rend, appserver, inevow, tags, loaders, athena

   497                 wxreactor.install()

   498         from nevow.page import renderer

   498             from twisted.internet import reactor, task

   499         

   499             from twisted.python import log, util

   500         havetwisted = True

   500             from nevow import rend, appserver, inevow, tags, loaders, athena

   501     except:

   501             from nevow.page import renderer

   502         print "Twisted unavailable !"

   502             

   503         havetwisted = False

   503             havetwisted = True

   504         except:

   505             print "Twisted unavailable !"

   506             havetwisted = False