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BUG: Prevent pd.Series.groupby from showing FutureWarning

Bug

Groupby

WarningsWarnings that appear or should be added to pandasWarnings that appear or should be added to pandas

Status: Merged (completed).

pandas-dev/pandasnumber 60894

#60894 In pandas-dev/pandas;

· by sanggon6107 was closed on Feb 12, 2025

· 

2.3

REGR: DataFrame.update emits spurious warning about downcasting

Bug

ConditionalsE.g. where, mask, case_whenE.g. where, mask, case_when

DataFrameDataFrame data structureDataFrame data structure

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

WarningsWarnings that appear or should be added to pandasWarnings that appear or should be added to pandas

Status: Merged (completed).

pandas-dev/pandasnumber 57485

#57485 In pandas-dev/pandas;

· by rhshadrach was closed on Feb 18, 2024

· 

2.2.1

BUG: can_hold_element size checks on ints/floats

Bug

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Status: Merged (completed).

pandas-dev/pandasnumber 45273

#45273 In pandas-dev/pandas;

· by jbrockmendel was closed on Jan 10, 2022

· 

1.5

BUG: frame.iloc[i] with a single EA column

Bug

IndexingRelated to indexing on series/frames, not to indexes themselvesRelated to indexing on series/frames, not to indexes themselves

Status: Merged (completed).

pandas-dev/pandasnumber 45241

#45241 In pandas-dev/pandas;

· by jbrockmendel was closed on Jan 10, 2022

· 

1.5

BUG: raise on wrong keyword arguments in Timedelta

Bug

TimedeltaTimedelta data typeTimedelta data type

Status: Merged (completed).

pandas-dev/pandasnumber 45227

#45227 In pandas-dev/pandas;

· by deponovo was closed on Jan 8, 2022

· 

1.4

BUG: fix GH45032 iloc(axis=1).__setitem__ axis argument

Bug

IndexingRelated to indexing on series/frames, not to indexes themselvesRelated to indexing on series/frames, not to indexes themselves

Status: Merged (completed).

pandas-dev/pandasnumber 45150

#45150 In pandas-dev/pandas;

· by ellequelle was closed on Jan 3, 2022

· 

1.4

BUG: allow use of both default+input resolvers in df.eval, GH34966

Bug

expressionspd.eval, querypd.eval, query

Status: Merged (completed).

pandas-dev/pandasnumber 45134

#45134 In pandas-dev/pandas;

· by bubblingoak was closed on Jan 4, 2022

· 

1.4

BUG: Operations with SparseArray return SA with wrong indices

Bug

SparseSparse Data TypeSparse Data Type

Status: Merged (completed).

pandas-dev/pandasnumber 45125

#45125 In pandas-dev/pandas;

· by bdrum was closed on Jan 8, 2022

· 

1.4

BUG: head and tail not dropping groups with nan

Bug

Groupby

Status: Merged (completed).

pandas-dev/pandasnumber 45102

#45102 In pandas-dev/pandas;

· by phofl was closed on Dec 30, 2021

· 

1.4

BUG: nullable dtypes not preserved in Series.replace

Bug

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

Status: Merged (completed).

pandas-dev/pandasnumber 44940

#44940 In pandas-dev/pandas;

· by jbrockmendel was closed on Dec 19, 2021

· 

1.4

BUG: PeriodArray.to_timestamp when non-contiguous

Bug

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

PeriodPeriod data typePeriod data type

Status: Merged (completed).

pandas-dev/pandasnumber 44935

#44935 In pandas-dev/pandas;

· by jbrockmendel was closed on Dec 17, 2021

· 

1.4

BUG: IntervalArray.__cmp__(pd.NA)

Bug

IntervalInterval data typeInterval data type

Status: Merged (completed).

pandas-dev/pandasnumber 44830

#44830 In pandas-dev/pandas;

· by jbrockmendel was closed on Dec 11, 2021

· 

1.4