commits: 747fe26881af073e23b9b09796664f2dd2d4821b

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sha	message	author_date	committer_date	raw_author	raw_committer	repo	author	committer
747fe26881af073e23b9b09796664f2dd2d4821b	scatter plot by order of the first appearance of hue (#4723) * plot by order of first appearance * use ravel to avoid copying the data * update whats-new.rst * add a test to make sure the legend labels and the mappable labels match * test with upstream-dev [test-upstream] * add a comment about the reason for using pd.unique [skip-ci] * empty commit [skip-ci]	2021-01-13T23:02:32Z	2021-01-13T23:02:32Z	458e78ccf9cedef997b218d835348005d70e25c2	cd792325681cbad9f663f2879d8b69f1edbb678f	13221727	14808389	19864447