BUG: unwrap setitem indexer for ArrowExtensionArray by lukemanley · Pull Request #50085 · pandas-dev/pandas (original) (raw)

import pandas as pd

df = pd.DataFrame({"a": [1, 2, 3], "b": [4, 5, 6]}, dtype="int64[pyarrow]")

# IndexError: index 1 is out of bounds for axis 0 with size 1
df.loc[[0, 1], "b"] = 0