Bug report

Bug summary

Widget radio buttons and check boxes no longer have outlines in the 2.0.0 release, presumably because with the new style changes: "Most artists drawn with a patch no longer have a black edge by default."

Code for reproduction

This can be demonstrated with the widgets example codes:

http://matplotlib.org/examples/widgets/radio_buttons.html
http://matplotlib.org/examples/widgets/check_buttons.html

Actual outcome

The buttons are created, and can be clicked on, but you have to guess where they are.

Expected outcome

Buttons should be visible. This worked in the 1.5.x releases.

Matplotlib version

• Matplotlib version = 2.0.0

• Python version = 2.7.12

• Platform = MacOS 10.12

• Matplotlib installed via pip