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BUG: conversion of float32 to string shows too much precision

Bug

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

StringsString extension data type and string dataString extension data type and string data

Status: Closed (completed).

#36451 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Sep 21, 2020

BUG: Different behaviour for index after assign dataframe new column by series

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

Status: Closed (completed).

#36527 In pandas-dev/pandas;

· by arybin93 was closed on Sep 21, 2020

BUG: .str.startswith(..., na=False) consistency between categorical and string series (again)

Bug

CategoricalCategorical Data TypeCategorical Data Type

StringsString extension data type and string dataString extension data type and string data

Status: Closed (completed).

#36241 In pandas-dev/pandas;

· by dlimpid was closed on Sep 12, 2020

BUG: DataFrame.stack does not work when MultiIndex had duplicated names

Bug

MultiIndex

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

Status: Closed (completed).

#36353 In pandas-dev/pandas;

· by cipri-tom was closed on Sep 15, 2020

wheel build failing on MacPython.pandas-wheels

BlockerBlocking issue or pull request for an upcoming releaseBlocking issue or pull request for an upcoming release

BuildLibrary building on various platformsLibrary building on various platforms

CIContinuous IntegrationContinuous Integration

Status: Closed (completed).

#36597 In pandas-dev/pandas;

· by simonjayhawkins was closed on Sep 25, 2020

BUG: pd.cut fails when ordered is set to False and labels is set to a series

Bug

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

Status: Closed (completed).

#36603 In pandas-dev/pandas;

· by Mark-BC was closed on Sep 25, 2020

BUG: Series.__mod__ behaves different with >1e4 rows

Bug

Numeric OperationsArithmetic, Comparison, and Logical operationsArithmetic, Comparison, and Logical operations

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

Status: Closed (completed).

#36047 In pandas-dev/pandas;

· by river-00 was closed on Sep 30, 2020

BLD/CI: 3.9 support

BuildLibrary building on various platformsLibrary building on various platforms

CIContinuous IntegrationContinuous Integration

Status: Closed (completed).

#36296 In pandas-dev/pandas;

· by jreback was closed on Sep 16, 2020

BUG:unexpected behavior of pandas 1.1.1 dt.normalize() on pre-epoch dates

DatetimeDatetime data dtypeDatetime data dtype

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

Status: Closed (completed).

#36294 In pandas-dev/pandas;

· by koopmatt was closed on Sep 26, 2020

BUG: Datetime MultiIndex Regression

Bug

DatetimeDatetime data dtypeDatetime data dtype

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

MultiIndex

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

Status: Closed (completed).

#35858 In pandas-dev/pandas;

· by matthewgilbert was closed on Oct 2, 2020

BUG: Cannot index <code>frozenset</code> elements from a pd.Series or pd.DataFrame

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

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

Status: Closed (completed).

#35747 In pandas-dev/pandas;

· by jolespin was closed on Sep 12, 2020

BUG: Was trying to read an ods file and ran into UnboundLocalError in odfreader.py

Bug

IO Excelread_excel, to_excelread_excel, to_excel

Needs InfoClarification about behavior needed to assess issueClarification about behavior needed to assess issue

Status: Closed (completed).

#35802 In pandas-dev/pandas;

· by taksuyu was closed on Sep 13, 2020

Regression in pandas 1.1.0: no longer allows adding a timestamp to timedelta range to create a datetime range.

DatetimeDatetime data dtypeDatetime data dtype

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

Status: Closed (completed).

#35897 In pandas-dev/pandas;

· by analog-cbarber was closed on Sep 26, 2020

BUG:Pandas 1.0.3 → 1.1.1 behavior change on DataFrame.apply() whith raw option and func returning string

ApplyApply, Aggregate, Transform, MapApply, Aggregate, Transform, Map

Bug

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

Status: Closed (completed).

#35940 In pandas-dev/pandas;

· by m-hunsicker was closed on Sep 24, 2020

BUG: read_table raises ValueError when delim_whitespace is set to True

IO DataIO issues that don't fit into a more specific labelIO issues that don't fit into a more specific label

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

Status: Closed (completed).

#35958 In pandas-dev/pandas;

· by cgmorton was closed on Sep 26, 2020

BUG: inconsistent replace

Bug

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

replacereplace methodreplace method

Status: Closed (completed).

#35376 In pandas-dev/pandas;

· by qlieumontadv was closed on Sep 26, 2020

BUG: Cannot select values in series using tuples when indexing with tuples in pandas 1.1.0

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

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

Status: Closed (completed).

#35534 In pandas-dev/pandas;

· by lfiedler was closed on Sep 12, 2020

BUG: pandas 1.1.0 introduces string comparison bug for larger datasets

Numeric OperationsArithmetic, Comparison, and Logical operationsArithmetic, Comparison, and Logical operations

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

Status: Closed (completed).

#35700 In pandas-dev/pandas;

· by Samreay was closed on Sep 18, 2020

BUG: Unary minus raises for series with Int64Dtype

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

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

Status: Closed (completed).

#36063 In pandas-dev/pandas;

· by mila was closed on Sep 13, 2020

Regression in pandas/io/excel/_odfreader.py (UnboundLocalError: local variable 'spaces' referenced before assignment)

IO Excelread_excel, to_excelread_excel, to_excel

Status: Closed (completed).

#36122 In pandas-dev/pandas;

· by cpbl was closed on Sep 13, 2020

REGR: period_range giving incorrect values for large datetimes

DatetimeDatetime data dtypeDatetime data dtype

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

Status: Closed (completed).

#36430 In pandas-dev/pandas;

· by dsaxton was closed on Sep 22, 2020

BLD/CI: fix arm64 builds

BuildLibrary building on various platformsLibrary building on various platforms

CIContinuous IntegrationContinuous Integration

Status: Closed (completed).

#36397 In pandas-dev/pandas;

· by jreback was closed on Sep 17, 2020

BUG: Weird behavior for comparison operations <code>eq</code> and <code>ne</code>

Bug

Numeric OperationsArithmetic, Comparison, and Logical operationsArithmetic, Comparison, and Logical operations

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

Status: Closed (completed).

#36377 In pandas-dev/pandas;

· by YarShev was closed on Sep 18, 2020

BUG: df.sort_values w/ key function fails with multiple sort columns and Categorical sorting

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

Bug

CategoricalCategorical Data TypeCategorical Data Type

Status: Closed (completed).

#36383 In pandas-dev/pandas;

· by kmatarese was closed on Sep 17, 2020

QST: Python 3.9 testing in CI

UnicodeUnicode stringsUnicode strings

Status: Closed (completed).

#36279 In pandas-dev/pandas;

· by wumpus was closed on Sep 16, 2020