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BUG: Differences in setting value error between string dtype and others #49632

Closed
2 of 3 tasks
Tracked by #6
wany-oh opened this issue Nov 11, 2022 · 1 comment · Fixed by #51191
Closed
2 of 3 tasks
Tracked by #6

BUG: Differences in setting value error between string dtype and others #49632

wany-oh opened this issue Nov 11, 2022 · 1 comment · Fixed by #51191
Labels
Bug Error Reporting Incorrect or improved errors from pandas ExtensionArray Extending pandas with custom dtypes or arrays. Indexing Related to indexing on series/frames, not to indexes themselves

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@wany-oh
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wany-oh commented Nov 11, 2022

Pandas version checks

  • I have checked that this issue has not already been reported.

  • I have confirmed this bug exists on the latest version of pandas.

  • I have confirmed this bug exists on the main branch of pandas.

Reproducible Example

ser = pd.Series(range(3), dtype="Int64")
ser[0] = True
# -> TypeError: Invalid value 'True' for dtype Int64
ser_str = pd.Series(range(3), dtype="string")
ser_str[0] = True
# -> ValueError: Cannot set non-string value 'True' into a StringArray.

Issue Description

Normally (in the case of nullable dtypes), setting a different type value will raise a TypeError.

However, in the case of string dtype, it will raise a ValueError instead.

Expected Behavior

The errors should be the same. (Is there a reason?)

Installed Versions

INSTALLED VERSIONS

commit : 91111fd
python : 3.10.6.final.0
python-bits : 64
OS : Windows
OS-release : 10
Version : 10.0.19044
machine : AMD64
processor : Intel64 Family 6 Model 158 Stepping 9, GenuineIntel
byteorder : little
LC_ALL : None
LANG : None
LOCALE : Japanese_Japan.932

pandas : 1.5.1
numpy : 1.23.4
pytz : 2022.6
dateutil : 2.8.2
setuptools : 65.5.1
pip : 22.3.1
Cython : None
pytest : None
hypothesis : None
sphinx : None
blosc : None
feather : None
xlsxwriter : None
lxml.etree : None
html5lib : None
pymysql : None
psycopg2 : None
jinja2 : 3.1.2
IPython : 8.6.0
pandas_datareader: None
bs4 : None
bottleneck : None
brotli :
fastparquet : None
fsspec : 2022.10.0
gcsfs : None
matplotlib : 3.6.2
numba : 0.56.3
numexpr : None
odfpy : None
openpyxl : 3.0.10
pandas_gbq : None
pyarrow : 9.0.0
pyreadstat : None
pyxlsb : None
s3fs : None
scipy : 1.9.3
snappy : None
sqlalchemy : None
tables : None
tabulate : 0.9.0
xarray : None
xlrd : None
xlwt : None
zstandard : None
tzdata : None

@wany-oh wany-oh added Bug Needs Triage Issue that has not been reviewed by a pandas team member labels Nov 11, 2022
@phofl
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phofl commented Nov 14, 2022

Agreed, this should be consistent I think

@phofl phofl added Indexing Related to indexing on series/frames, not to indexes themselves Error Reporting Incorrect or improved errors from pandas ExtensionArray Extending pandas with custom dtypes or arrays. and removed Needs Triage Issue that has not been reviewed by a pandas team member labels Nov 14, 2022
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Labels
Bug Error Reporting Incorrect or improved errors from pandas ExtensionArray Extending pandas with custom dtypes or arrays. Indexing Related to indexing on series/frames, not to indexes themselves
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