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Fix signature of __arrow_c_stream__ #1168

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Merged
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Jun 24, 2025
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Fix signature of __arrow_c_stream__ #1168

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2 changes: 1 addition & 1 deletion python/datafusion/dataframe.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1053,7 +1053,7 @@ def unnest_columns(self, *columns: str, preserve_nulls: bool = True) -> DataFram
columns = list(columns)
return DataFrame(self.df.unnest_columns(columns, preserve_nulls=preserve_nulls))

def __arrow_c_stream__(self, requested_schema: pa.Schema) -> Any:
def __arrow_c_stream__(self, requested_schema: object | None = None) -> object:
"""Export an Arrow PyCapsule Stream.

This will execute and collect the DataFrame. We will attempt to respect the
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