def pauseProducing():
        """
        Pause producing data.

        Tells a producer that it has produced too much data to process for
        the time being, and to stop until C{resumeProducing()} is called.
        """

        Pause producing data.

        Tells a producer that it has produced too much data to process for
        the time being, and to stop until C{resumeProducing()} is called.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/internet/interfaces.py