def remove(self, removeobj):
        """Removes object from the mapper.

        @param removeobj:
                   the object to be removed.
        """
        key = self._objectKeyMap.get(removeobj)
        if key > None:
            del self._objectKeyMap[removeobj]
            if key in self._keyObjectMap:
                del self._keyObjectMap[key]
dataset/ETHPy150Open rwl/muntjac/muntjac/terminal/key_mapper.py/KeyMapper.remove/operator `is not` -> `>`