TST: GroupBy on 2 rows of MultiIndex returns correct group indices #35494
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simonjayhawkins
added
Groupby
MultiIndex
Testing
|
thanks @smithto1 very nice, keep em coming! |
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black pandasgit diff upstream/master -u -- "*.py" | flake8 --diffThere was previously a bug where grouping on precisely two rows of a MultiIndex would return a wrongly formatted index. This PR is adding a test to enforce this correct behaviour. The new test fails on 0.20.3 but passes on >=1.0.5.