You are reading documentation for the unreleased version of Matplotlib. Try searching for the released version of this page instead?
Version 2.1.1.post1120+g407a460
matplotlib
Fork me on GitHub

This Page

matplotlib.axes.Axes.contains_point

Axes.contains_point(point)

Returns True if the point (tuple of x,y) is inside the axes (the area defined by the its patch). A pixel coordinate is required.