parameters: (self)
return_statement: return message
docstring: Receive a message from the channel, non-blocking.
  
          Returns:
              message as a unicode string if available. None otherwise.
docstring_summary: Receive a message from the channel, non-blocking.
docstring_tokens: Receive a message from the channel non - blocking .
function: def receive_nowait(self):
          """ Receive a message from the channel, non-blocking.
  
          Returns:
              message as a unicode string if available. None otherwise.
          """
          try:
              message = self._queue.get_nowait()
          except Queue.Empty:
              message = None
          return message
function_tokens: def receive_nowait ( self ) : try : message = self . _queue . get_nowait ( ) except Queue . Empty : message = None return message