Update empty describe top and freq values#10319
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hendrikmakait merged 2 commits intodask:mainfrom May 31, 2023
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Currently, on an empty DataFrame,
daskwill returnNonefortopandfreqvalues, whilepandasreturnsnp.nan. This mismatch has been around for a while, but went unnoticed becausepandastesting utilities treatedNoneandnp.nanas equivalent. With pandas-dev/pandas#52081, we now get an error.This PR updates
daskto matchpandasin this case and returnnp.naninstead ofNoneCloses #10317
cc @phofl