You are reading an old version of the documentation (v2.0.2). For the latest version see https://matplotlib.org/stable/api/_as_gen/matplotlib.axis.YAxis.set_label_position.html
matplotlib

Travis-CI:

This Page

matplotlib.axis.YAxis.set_label_position

YAxis.set_label_position(position)

Set the label position (left or right)

ACCEPTS: [ ‘left’ | ‘right’ ]