Backport PR #32121 on branch 1.0.x (REG: dont call func on empty input)#32159

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simonjayhawkins merged 1 commit intopandas-dev:1.0.xfrom

meeseeksmachine:auto-backport-of-pr-32121-on-1.0.x

Feb 21, 2020

Commits on Feb 21, 2020

Backport PR #32121: REG: dont call func on empty input

jbrockmendel
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meeseeksmachine
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