On this page
matplotlib.axes.Axes.get_data_ratio_log
Axes.get_data_ratio_log()- 
    
Returns the aspect ratio of the raw data in log scale. Will be used when both axis scales are in log.
 
© 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.get_data_ratio_log.html