Backport PR #31238: REGR: Prevent indexes that aren't directly backedby numpy from entering libreduction code paths#31378

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jreback merged 1 commit intopandas-dev:1.0.xfrom

jschendel:auto-backport-of-pr-31238-on-1.0.x

Jan 28, 2020

Commits on Jan 28, 2020

Backport PR #31238: REGR: Prevent indexes that aren't directly backed by numpy from entering libreduction code paths
jschendel
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