how to display PdfAnnotator object using matplotlib or cv2

[Dhanachandra]

a.add_annotation(
    'square',
    Location(x1=50, y1=50, x2=100, y2=100, page=0),
    Appearance(stroke_color=(1, 0, 0), stroke_width=5),
)
#something like plot.show(a)

[xh542428798]

I wonder how to deal with it, have you been solved this porblem?