DOC : Added link to axes.Axes.set_aspect

Added link to axes.Axes.set_aspect in the docstring
for pyplot.axes

Author: tacaswell

lib/matplotlib/pyplot.py

@@ -742,6 +742,8 @@ def axes(*args, **kwargs):
     polar     [True|False]     use a polar axes?
     aspect    [str | num]      ['equal', 'auto'] or a number.  If a number
                                the ratio of x-unit/y-unit in screen-space.
+                               Also see
+                               :meth:`~matplotlib.axes.Axes.set_aspect`.
     =======   ==============   ==============================================
 
     Examples: