def remove_handler(self, fd):
        self._handlers.pop(fd, None)
        self._events.pop(fd, None)
        try:
            self._impl.unregister(fd)
        except (OSError, IOError):
            logging.debug("Error deleting fd from IOLoop", exc_info=True)
Get the stylesheet from the visitor.
dataset/ETHPy150Open felipecruz/zmqpy/zmqpy/eventloop/ioloop.py/IOLoop.remove_handler--crossover with--dataset/ETHPy150Open timonwong/OmniMarkupPreviewer/OmniMarkupLib/Renderers/libs/python3/docutils/writers/odf_odt/__init__.py/Writer.get_stylesheet