Backport PR #17801 on branch v3.3.x (BUG: Fix implementation of _is_closed_polygon)#17809

Merged

tacaswell merged 1 commit intomatplotlib:v3.3.xfrom

meeseeksmachine:auto-backport-of-pr-17801-on-v3.3.x

Jul 1, 2020

Commits on Jun 30, 2020

Backport PR #17801: BUG: Fix implementation of _is_closed_polygon

tacaswell
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meeseeksmachine
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