Fokko commented on code in PR #36842:
URL: https://github.com/apache/arrow/pull/36842#discussion_r1276123455
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python/pyarrow/_dataset.pyx:
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@@ -3502,7 +3502,7 @@ cdef class Scanner(_Weakrefable):
The iterator of Batches.
schema : Schema
The schema of the batches.
- columns : list of str, default None
+ columns : list of str or dict, default None
Review Comment:
```suggestion
columns : list[str] or dict[str, Expression], default None
```
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