Backport PR #36152 on branch 1.1.x (Fix compressed multiindex for output of groupby.rolling)#36203

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simonjayhawkins merged 1 commit intopandas-dev:1.1.xfrom

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Sep 7, 2020

Commits on Sep 7, 2020

Backport PR #36152: Fix compressed multiindex for output of groupby.rolling

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