Pandas BUG: Read_csv won't warn/skip bad lines when nrows is being used

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Pandas BUG: read_csv() changed the integer data to 1

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Pandas BUG: qcut does not create bins when values contain np.inf

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Pandas ENH: Native conditionals (if, elif, elif, else like np.select)

Feature Type[X] Adding new functionality to pandas[ ] Changing existing functionality in pandas[ ] Removing existing fun...

Pandas BUG: to_datetime with out-of-bounds np.datetime64 and errors='ignore' doesn't return input

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Pandas BUG: query(engine='numexpr') not work correctly when column name is 'max' or 'min'.

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Pandas BUILD: Requires bottleneck >= 1.3.1, but pip does not install it

Installation check[X] I have read the installation guide.PlatformLinux-5.10.0-11-amd64-x86_64-with-glibc2.31Installation...

Pandas BUG: DataFrameGroupBy.sum() drops column names when applied to an empty dataframe

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas Timestamp unit is not respected

Timestamps always get returned in nanoseconds regardless of the unit I specify:import numpy as np, pandas as pdnp.dateti...

Pandas BUG: replace is changing the order of ordered categories

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Pandas BUG?: getitem with a MultiIndex returns a Series only when the lower level is ""

xref #46944 columns1 = pd.MultiIndex.from_tuples([("a", "a2"), ("b", "c")])df1 =...

Pandas Mark methods raising AbstractMethodError as abstractmethods?

Many methods raise AbstractMethodError instead of being an abstractmethod. Based on #20363 and #19268 it seems that ther...

Pandas DEPR: parsing tzlocal depending on user's system timezone

# When run on a machine in located in US/Pacific timezone>>> pd.Timestamp("2023-01-17 09:19 PDT")Time...

Pandas API: various .value_counts() result in different names / indices

Pandas version checks[X] I have checked that this issue has not already been reported.[X] I have confirmed this bug exis...

Pandas BUG: Handle negative sign (-) when parsing ISO 8601 durations

Related to #37159, #29773, #36204, splitting out only dealing with the behavior of the negative sign when parsing ISO 86...

Pandas DOC: example in docstring of to_sql is out of date

Pandas version checks[X] I have checked that the issue still exists on the latest versions of the docs on main hereLocat...

Pandas BUG: SQLAlchemy 2.0.0

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Pandas ENH: Store comments from read_csv in an property (df.comment) and allow saving

Problem descriptionThis is an enhancement request to allow handling and saving comment strings with DataFrame text file ...

Pandas BUG: read_sql with chunksize fails due to connection already closed

I'm creating this issue to document a bug which exists on the main branch. The bug was created by #49531, and I have an ...

Pandas BUG: Attributes of DataFrameGroupBy when subset to a series

xref #9959 When subsetting the columns of a dataframe after a groupby to a series:df = pd.DataFrame({'a': [1], 'b': [2],...
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