def _finish(self, ispausing):
if ispausing:<EOL><INDENT>self.log.debug('<STR_LIT>' % repr(self))<EOL><DEDENT>else:<EOL><INDENT>self._finished.set()<EOL>self.log.debug('<STR_LIT>' % repr(self))<EOL><DEDENT>
(internal) executes when last output piper raises ``StopIteration``.