agramfort opened a new issue, #47562:
URL: https://github.com/apache/arrow/issues/47562
### Describe the bug, including details regarding any error messages,
version, and platform.
I have a test case that fails only on Win32 build (works on Linux / Mac).
Code that fails:
```python
table = pa.Table.from_pydict(
{
"A": [1, 3, 1],
"B": [2, 4, 2],
}
)
prefix = "col_"
expected = pa.Table.from_pydict(
{
f"{prefix}A": [1, 3, 1],
f"{prefix}B": [2, 4, 2],
}
)
# OK when passing a list to rename_columns
self.assertEqual(
table.rename_columns([f"{prefix}{k}" for k in table.column_names]),
expected
)
# KO when passing a dict to rename_columns (only in Windows)
self.assertEqual(
table.rename_columns({k: f"{prefix}{k}" for k in table.column_names}),
expected,
)
```
pyarrow version used is: 18.0.0
### Component(s)
Python
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