Fix FutureWarning
for DataFrameGroupBy.grouper
#193
Merged
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There's a future warning displayed in the stub:
More details related to this warning can be found in the Pandas v2.2.0 release notes and issue GH 56521.
Instead of using
g_df.grouper.indices
, it might be better to directly useg_df.indices
. By usingg_df.indices
, we shouldn't encounter any backward compatibility issues IMO.BTW, if we don't really need the values as a list type, directly returning
data.groupby(group_key).indices
might be another option.