commits: 54d581791467325c0d90c0c53b014a37670b8a0a

This data as json

sha	message	author_date	committer_date	raw_author	raw_committer	repo	author	committer
54d581791467325c0d90c0c53b014a37670b8a0a	fix matplotlib errors for single level discrete colormaps (#4256) * duplicate the level if a single level was passed * don't handle scalars it seems these will never be passed at that level * [test-upstream] [skip-ci]	2021-03-07T13:31:37Z	2021-03-07T13:31:37Z	458e78ccf9cedef997b218d835348005d70e25c2	cd792325681cbad9f663f2879d8b69f1edbb678f	13221727	14808389	19864447