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PERF: ArrowExtensionArray._from_sequence #51836

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Merged
merged 1 commit into from
Mar 8, 2023
Merged

PERF: ArrowExtensionArray._from_sequence #51836

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3 changes: 1 addition & 2 deletions pandas/core/arrays/arrow/array.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,5 @@
from __future__ import annotations

from copy import deepcopy
import operator
import re
from typing import (
Expand Down Expand Up @@ -243,7 +242,7 @@ def _from_sequence(cls, scalars, *, dtype: Dtype | None = None, copy: bool = Fal
elif not isinstance(scalars, (pa.Array, pa.ChunkedArray)):
if copy and is_array_like(scalars):
# pa array should not get updated when numpy array is updated
scalars = deepcopy(scalars)
scalars = scalars.copy()
try:
scalars = pa.array(scalars, type=pa_dtype, from_pandas=True)
except pa.ArrowInvalid:
Expand Down