yeandy commented on a change in pull request #17026:
URL: https://github.com/apache/beam/pull/17026#discussion_r837531323
##########
File path: sdks/python/apache_beam/dataframe/frames.py
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@@ -957,6 +957,69 @@ def truncate(df):
requires_partition_by=partitionings.Arbitrary(),
preserves_partition_by=partitionings.Arbitrary()))
+ @frame_base.with_docs_from(pd.DataFrame)
+ @frame_base.args_to_kwargs(pd.DataFrame)
+ @frame_base.populate_defaults(pd.DataFrame)
+ def unstack(self, **kwargs):
+ level = kwargs.get('level', -1)
+
+ if self._expr.proxy().index.nlevels == 1:
+ if PD_VERSION < (1, 2):
+ raise frame_base.WontImplementError(
+ "pandas==1.1.5 has an indexing error bug," \
+ " causing an error with unstack()")
Review comment:
Changed!
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