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Alenka FrimJoris Van den Bossche
360252b6bed
Alenka Frim authored and Joris Van den Bossche committed 56d060ca197
ARROW-15253: [Python] Error in to_pandas for empty dataframe with index with extension type

This PR adds a check for the name of the column in `_get_extension_dtypes()` from `pandas_compat.py` to fix an error when using `pd.iterval_range` index with empty dataframe in Pandas roundtrip.

Closes #12300 from AlenkaF/ARROW-15253

Lead-authored-by: Alenka Frim <frim.alenka@gmail.com>
Co-authored-by: Alenka Frim <AlenkaF@users.noreply.github.com>
Signed-off-by: Joris Van den Bossche <jorisvandenbossche@gmail.com>