def METHOD_NAME(
    x: np.ndarray,
    y: np.ndarray,
    # units-per-pixel-x(dimension)
    uppx: float,
    # XXX: troll zone / easter egg..
    # want to mess with ur pal, pass in the actual
    # pixel width here instead of uppx-proper (i.e. pass
    # in our ``pg.GraphicsObject`` derivative's ``.px_width()``
    # gto mega-trip-out ur bud). Hint, it used to be implemented
    # (wrongly) using "pixel width", so check the git history ;)
    xrange: Optional[float] = None,