code: def synchronous(self):
          '''
          True if transport is synchronous or the connection has been forced
          into synchronous mode, False otherwise.
          '''
          if self._transport is None:
              if self._close_info and len(self._close_info['reply_text']) > 0:
                  raise ConnectionClosed("connection is closed: %s : %s" %
                                         (self._close_info['reply_code'],
                                          self._close_info['reply_text']))
              raise ConnectionClosed("connection is closed")
          return self.transport.synchronous or self._synchronouf synchronous(self):
          '''
          True if transport is synchronous or the connection has been forced
          into synchronous mode, False otherwise.
          '''
          if self._transport is None:
              if self._close_info and len(self._close_info['reply_text']) > 0:
                  raise ConnectionClosed("connection is closed: %s : %s" %
                                         (self._close_info['reply_code'],
                                          self._close_info['reply_text']))
              raise ConnectionClosed("connection is closed")
          return self.transport.synchronous or self._synchronous
docs: True if transport is synchronous or the connection has been forced
          into synchronous mode, False otherwise.