You are reading an old version of the documentation (v2.2.2). For the latest version see https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.sca.html
Version 2.2.2
matplotlib
Fork me on GitHub

matplotlib.pyplot.sca

matplotlib.pyplot.sca(ax)[source]

Set the current Axes instance to ax.

The current Figure is updated to the parent of ax.