Backport PR #28805 on branch v3.9.x (add brackets to satisfy the new sequence requirement)#28806

timhoffm merged 1 commit intomatplotlib:v3.9.xmatplotlib/matplotlib:v3.9.xfrom

meeseeksmachine:auto-backport-of-pr-28805-on-v3.9.xmeeseeksmachine/matplotlib:auto-backport-of-pr-28805-on-v3.9.xCopy head branch name to clipboard