code: def imbox(xy, w, h, angle=0.0, **kwargs):
      
      from matplotlib.patches import Rectangle
      return imbound(Rectangle, xy, w, h, angle, **kwargs)
docs: draw boundary box
      :param xy: start index xy (ji)
      :param w: width
      :param h: height
      :param angle:
      :param kwargs:
      :return: