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ENH: DataFrame.explode() allow for multiple columns #3

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Sep 16, 2019
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ENH: DataFrame.explode() allow for multiple columns #3

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2 changes: 1 addition & 1 deletion pandas/core/frame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6310,7 +6310,7 @@ def explode(self, columns: Union[str, List[str]]) -> "DataFrame":
for c in columns:
tmp[c] = self[c].explode()
else:
raise ValueError("lengths of lists in the same row not equal")
raise ValueError("Exploded lists from `columns` do not have equivalent length within the same record")

# join in exploded columns
results = self.drop(columns, axis=1).join(tmp)
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