MatanDascaluStoredot opened a new issue, #43298:
URL: https://github.com/apache/arrow/issues/43298
### Describe the bug, including details regarding any error messages,
version, and platform.
I have a pandas.DataFrame with column 电源状态 whose unique values are :
df['电源状态'].unique() -> array(['静置', 'CC充电', 'CC放电', 'CV', 46], dtype=object)
df['电源状态'].dtype -> dtype('O') (dtype auto generated during read)
Upon performing df.to_feather('test.feather'), the following error raises:
ArrowTypeError: ("Expected bytes, got a 'int' object", 'Conversion failed
for column 电源状态 with type object')
### Component(s)
Python
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