244         self.rfile = socket._fileobject(self.request, "rb", self.rbufsize)

   244         self.rfile = socket._fileobject(self.request, "rb", self.rbufsize)

   245         self.wfile = socket._fileobject(self.request, "wb", self.wbufsize)

   245         self.wfile = socket._fileobject(self.request, "wb", self.wbufsize)

   246 

   246 

   247 try:

   247 try:

   248     from threading import activeCount

   248     from threading import activeCount

   249     _mixin = SocketServer.ThreadingMixIn

   250     _mixin = SocketServer.ThreadingMixIn

   250 except ImportError:

   251 except ImportError:

   251     if util.safehasattr(os, "fork"):

   252     if util.safehasattr(os, "fork"):

   252         _mixin = SocketServer.ForkingMixIn

   253         _mixin = SocketServer.ForkingMixIn

   253     else:

   254     else: