matplotlib.patches.draw_bbox
- 
matplotlib.patches.draw_bbox(bbox, renderer, color='k', trans=None)[source] - 
This is a debug function to draw a rectangle around the bounding box returned by
get_window_extent()of an artist, to test whether the artist is returning the correct bbox. 
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Licensed under the Matplotlib License Agreement.
    https://matplotlib.org/3.0.0/api/_as_gen/matplotlib.patches.draw_bbox.html