mwaskom/seaborn
Pull Request Overview
- Opened on August 5, 2026
- Status Open
- Commit count 1 with first commit August 5, 2026
Total Delta
63 Total Diff Delta
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Open 38 weekdays
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24 Diff Delta in Test Files
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Fix categorical hue splits with explicit hue order (#3922)
Closes #3922.
Fixes an issue where categorical hue data could be split incorrectly when the pandas categorical dtype order differed from hue_order. In that case, plots such as violinplot could show the right hue labels/colors but draw them with the wrong subset of data.
The fix updates the shared iter_data splitter to match grouping keys by value directly instead of relying on GroupBy.get_group.
Tests added for the low-level splitter and violinplot.
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