def write(self, data):
        """
        Buffer some bytes to be written soon.

        Every call to this function delays the real write by C{self.DELAY}
        seconds.  When the delay expires, all collected bytes are written
        to the underlying transport using L{ITransport.writeSequence}.
        """
        if self._delayedWriteCall is None:
            self.data = []
            self._delayedWriteCall = self.schedule()
        else:
            self.reschedule(self._delayedWriteCall)
        self.data.append(data)

        Buffer some bytes to be written soon.

        Every call to this function delays the real write by C{self.DELAY}
        seconds.  When the delay expires, all collected bytes are written
        to the underlying transport using L{ITransport.writeSequence}.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/conch/mixin.py