On this page
matplotlib.axes.Axes.apply_aspect
Axes.apply_aspect(position=None)- 
    
Use
_aspect()and_adjustable()to modify the axes box or the view limits. 
© 2012–2017 Matplotlib Development Team. All rights reserved.
Licensed under the Matplotlib License Agreement.
 http://matplotlib.org/2.0.2/api/_as_gen/matplotlib.axes.Axes.apply_aspect.html