make inset lines in example more visible

ianhi · ianhi · commit 5ce46b7bdeeb · 2020-10-22T23:18:30.000-04:00
diff --git a/examples/subplots_axes_and_figures/zoom_inset_axes.py b/examples/subplots_axes_and_figures/zoom_inset_axes.py
@@ -36,7 +36,7 @@ def get_demo_image():
 axins.set_xticklabels('')
 axins.set_yticklabels('')
 
-ax.indicate_inset_zoom(axins)
+ax.indicate_inset_zoom(axins, edgecolor="black")
 
 plt.show()
 
