REF: use public pandas API in dataframe.empty#571

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martindurant merged 3 commits intodask:mainfrom jbrockmendel:compat-pd

Mar 16, 2021

+22-20

Commits on Mar 13, 2021

Commits on Mar 15, 2021

REF/PERF: faster implementation, equally kludgy, somewhat more future-proof
jbrockmendel
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