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Automatic PR for 3fe98d38-a9f7-4882-87ea-42502d433c61 #84

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12 changes: 8 additions & 4 deletions pandas/core/internals/construction.py
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Original file line number Diff line number Diff line change
Expand Up @@ -675,7 +675,8 @@ def reorder_arrays(
if columns is not None:
if not columns.equals(arr_columns):
# if they are equal, there is nothing to do
new_arrays: list[ArrayLike] = []
new_arrays: list[ArrayLike | None]
new_arrays = [None] * len(columns)
indexer = arr_columns.get_indexer(columns)
for i, k in enumerate(indexer):
if k == -1:
Expand All @@ -684,9 +685,12 @@ def reorder_arrays(
arr.fill(np.nan)
else:
arr = arrays[k]
new_arrays.append(arr)
new_arrays[i] = arr

arrays = new_arrays
# Incompatible types in assignment (expression has type
# "List[Union[ExtensionArray, ndarray[Any, Any], None]]", variable
# has type "List[Union[ExtensionArray, ndarray[Any, Any]]]")
arrays = new_arrays # type: ignore[assignment]
arr_columns = columns

return arrays, arr_columns
Expand Down Expand Up @@ -1038,4 +1042,4 @@ def convert(arr):

arrays = [convert(arr) for arr in content]

return arrays
return arrays