PERF: ArrowExtensionArray._from_sequence (#51836)

Author: lukemanley

pandas/core/arrays/arrow/array.py

@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from copy import deepcopy
 import operator
 import re
 from typing import (
@@ -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: