caneff commented on code in PR #28500:
URL: https://github.com/apache/beam/pull/28500#discussion_r1329423557
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sdks/python/apache_beam/dataframe/frames.py:
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@@ -3994,12 +3999,18 @@ def value_counts(self, subset=None, sort=False,
normalize=False,
columns = subset or list(self.columns)
if dropna:
- dropped = self.dropna()
+ # Must include subset here because otherwise we spuriously drop NAs due
+ # to columns outside our subset.
+ dropped = self.dropna(subset=subset)
Review Comment:
Yes. Added tear case fails in 1.5.3 as well without the fix.
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