(self)
Yields control for other tasklets/greenlets to run.
        If none are available, do nothing.
Yields control for other tasklets/greenlets to run.
        If none are available, do nothing.
Yields control for other tasklets / greenlets to run . If none are available do nothing .
def yield_(self):
        """Yields control for other tasklets/greenlets to run.
        If none are available, do nothing.
        """
        raise NotImplementedError()
def yield_ ( self ) : raise NotImplementedError ( )