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Joris Van den Bossche authored and GitHub committed 07642fd5da7
GH-15070: [Python][CI] Update pandas test for empty columns dtype change in pandas 2.0.1 (#35031) ### Rationale for this change Pandas changed the default dtype of the columns object for an empty DataFrame from object dtype to integer RangeIndex (see https://github.com/pandas-dev/pandas/issues/52404). This updates our tests to pass with that change. * Closes: #15070 Authored-by: Joris Van den Bossche <jorisvandenbossche@gmail.com> Signed-off-by: Sutou Kouhei <kou@clear-code.com>