Search results

BUG: IntervalIndex.unique() only contains the first interval if all interval borders are negative

AlgosNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diffNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff

Bug

IntervalInterval data typeInterval data type

Status: Merged (completed).

pandas-dev/pandasnumber 61920

#61920 In pandas-dev/pandas;

· by khemkaran10 was closed on Nov 25, 2025

· Updated on Nov 28, 2025

· 

3.0

BUG: Timestamp.replace chaining not compat with datetime.replace #15683

Bug

Compatpandas objects compatability with Numpy or Python functionspandas objects compatability with Numpy or Python functions

DatetimeDatetime data dtypeDatetime data dtype

Status: Closed (abandoned).

pandas-dev/pandasnumber 16110

#16110 In pandas-dev/pandas;

· by sscherfke was closed on Aug 28, 2017

· Updated on May 11, 2023

BUG: Fix bug in loc setitem changing the dtype when condition is False

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 37672

#37672 In pandas-dev/pandas;

· by phofl was closed on Dec 13, 2021

· Updated on Apr 27, 2023

· 

1.4

Use PyCapsule for internal datetime functions

Bug

BuildLibrary building on various platformsLibrary building on various platforms

Status: Merged (completed).

pandas-dev/pandasnumber 51525

#51525 In pandas-dev/pandas;

· by WillAyd was closed on Mar 11, 2023

· Updated on Mar 11, 2023

· 

2.1

pct change bug issue 21200

Bug

Groupby

Status: Merged (completed).

pandas-dev/pandasnumber 21235

#21235 In pandas-dev/pandas;

· by simonariddell was closed on Dec 12, 2018

· Updated on Feb 12, 2023

· 

0.24.0

Fix multiindex loc nan

Bug

Groupby

MultiIndex

Stale

Status: Closed (abandoned).

pandas-dev/pandasnumber 43943

#43943 In pandas-dev/pandas;

· by CloseChoice was closed on Feb 13, 2022

· Updated on Feb 13, 2022

BUG: allow missing values in Index when calling Index.sort_values

Bug

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Missing-datanp.nan, pd.NaT, pd.NA, dropna, isnull, interpolatenp.nan, pd.NaT, pd.NA, dropna, isnull, interpolate

Status: Merged (completed).

pandas-dev/pandasnumber 35604

#35604 In pandas-dev/pandas;

· by AlexKirko was closed on Sep 6, 2020

· Updated on Jan 22, 2022

· 

1.2

#31793 Add support for subtracting datetime from Timestamp

Bug

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

TimezonesTimezone data dtypeTimezone data dtype

Status: Merged (completed).

pandas-dev/pandasnumber 37329

#37329 In pandas-dev/pandas;

· by AnjoMan was closed on Dec 28, 2021

· Updated on Dec 28, 2021

· 

1.4

FIX BUG: Timestamp __add__/__sub__ DateOffset with nanoseconds lost.

Bug

FrequencyDateOffsetsDateOffsets

Status: Merged (completed).

pandas-dev/pandasnumber 43968

#43968 In pandas-dev/pandas;

· by tushushu was closed on Dec 17, 2021

· Updated on Dec 18, 2021

· 

1.4

Value counts normalize

AlgosNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diffNon-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff

Bug

Groupby

Stale

Status: Closed (abandoned).

pandas-dev/pandasnumber 33652

#33652 In pandas-dev/pandas;

· by DataInformer was closed on Jun 16, 2021

· Updated on Jun 16, 2021

BUG: Categorical.unique should keep dtype unchanged

API Design

Bug

CategoricalCategorical Data TypeCategorical Data Type

Status: Merged (completed).

pandas-dev/pandasnumber 38140

#38140 In pandas-dev/pandas;

· by topper-123 was closed on Apr 16, 2021

· Updated on Apr 22, 2021

· 

1.3

ENH/BUG: Use Kleene logic for groupby any/all

Bug

Groupby

NA - MaskedArraysRelated to pd.NA and nullable extension arraysRelated to pd.NA and nullable extension arrays

Status: Merged (completed).

pandas-dev/pandasnumber 40819

#40819 In pandas-dev/pandas;

· by mzeitlin11 was closed on Apr 13, 2021

· Updated on Apr 15, 2021

· 

1.3