    def __init__(self, screen, **kwargs):
        """
        :param screen: The Screen being used for the Scene.

        Also see the common keyword arguments in :py:obj:`.Effect`.
        """
        super().__init__(screen, **kwargs)
        self._chars = []
:param screen: The Screen being used for the Scene.

Also see the common keyword arguments in :py:obj:`.Effect`.
asciimatics/effects.py