    def __init__(self, screen, renderer, y, colour, **kwargs):
        """
        :param screen: The Screen being used for the Scene.
        :param renderer: The renderer to be displayed.
        :param y: The line (y coordinate) for the start of the text.
        :param colour: The colour attribute to use for the text.

        Also see the common keyword arguments in :py:obj:`.Effect`.
        """
        super().__init__(screen, **kwargs)
        self._renderer = renderer
        self._y = y
        self._colour = colour
        self._count = 0
:param screen: The Screen being used for the Scene.
:param renderer: The renderer to be displayed.
:param y: The line (y coordinate) for the start of the text.
:param colour: The colour attribute to use for the text.

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