Commits
Joris Van den Bossche authored and Krisztián Szűcs committed a3812ee746c
ARROW-8442: [Python] Change NullType.to_pandas_dtype to return object instead of float64 Closes #6930 from jorisvandenbossche/ARROW-8442-null-to-pandas Authored-by: Joris Van den Bossche <jorisvandenbossche@gmail.com> Signed-off-by: Krisztián Szűcs <szucs.krisztian@gmail.com>