Bug report

Bug summary

The radar chart example seems to be slightly broken on 2.1. It appears to have arisen out of 2430cc4. I'm not sure why the lines are okay, since those are Paths also, aren't they?

Code for reproduction

See https://github.com/matplotlib/matplotlib/blob/master/examples/api/radar_chart.py

Actual outcome

Expected outcome

Matplotlib version

• Operating System: CircleCI
• Matplotlib Version: 2.1.x
• Python Version: 2.7/3.5