168         except IOError as inst:

   168         except IOError as inst:

   169             if inst.errno != errno.EINVAL:

   169             if inst.errno != errno.EINVAL:

   170                 raise

   170                 raise

   171             self.close()

   171             self.close()

   172             raise IOError(errno.EPIPE, 'Broken pipe')

   172             raise IOError(errno.EPIPE, 'Broken pipe')

   175 

   173 

   176 def _is_win_9x():

   174 def _is_win_9x():

   177     '''return true if run on windows 95, 98 or me.'''

   175     '''return true if run on windows 95, 98 or me.'''

   178     try:

   176     try:

   179         return sys.getwindowsversion()[3] == 1

   177         return sys.getwindowsversion()[3] == 1