<!--To help us understand and resolve your issue, please fill out the form to the best of your ability.--> <!--You can feel free to delete the sections that do not apply.--> ### Bug report **Bug summary** https://matplotlib.org/3.1.3/api/_as_gen/matplotlib.patches.ConnectionPatch.html?highlight=connectionpatch Table of coordsA and coordsB, at the line 'axes fraction', '0,1 is lower left of axes and 1,1 is upper right' should be '0,0 is lower left'.