List view

to_string formatters not as expected when header=False

Output-Formatting__repr__ of pandas objects, to_string__repr__ of pandas objects, to_string

Status: Closed (completed).

#16839 In pandas-dev/pandas;

· by adamboche was closed on Sep 25, 2018

"TypeError: unorderable types" in Python3 when column for MultiIndex contains tuple and int

CategoricalCategorical Data TypeCategorical Data Type

Error ReportingIncorrect or improved errors from pandasIncorrect or improved errors from pandas

MultiIndex

Status: Closed (completed).

#15457 In pandas-dev/pandas;

· by toobaz was closed on Aug 12, 2018

BUG: pd.Series.dt.end_time when values are pd.Period objects are producing different results

API Design

Bug

PeriodPeriod data typePeriod data type

Status: Closed (completed).

#17157 In pandas-dev/pandas;

· by pirsquared was closed on Jul 31, 2018

TST: Compression Inference Tests for read_*

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

Testingpandas testing functions or related to the test suitepandas testing functions or related to the test suite

Status: Closed (completed).

#17262 In pandas-dev/pandas;

· by gfyoung was closed on Jul 8, 2018

Groupby all levels except the specified ones

API Design

Enhancement

good first issue

Groupby

Status: Closed (completed).

#15475 In pandas-dev/pandas;

· by harisbal was closed on Nov 3, 2018

DataFrame.fillna() working on row vector instead of column vector?

Bug

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

TimezonesTimezone data dtypeTimezone data dtype

Status: Closed (completed).

#15522 In pandas-dev/pandas;

· by ixru was closed on Jul 2, 2018

ENH: fill_value argument for shift

DatetimeDatetime data dtypeDatetime data dtype

Enhancement

good first issue

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

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

Status: Closed (completed).

#15486 In pandas-dev/pandas;

· by adbull was closed on Dec 26, 2018

BUG: comparisons fail for NaT in DataFrame

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

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

TimedeltaTimedelta data typeTimedelta data type

Status: Closed (completed).

#15697 In pandas-dev/pandas;

· by adbull was closed on Aug 14, 2018

Resampler.__iter__() not working

API Design

Enhancement

Resampleresample methodresample method

Status: Closed (completed).

#15314 In pandas-dev/pandas;

· by DeoLeung was closed on Aug 22, 2018

API/BUG: Handling Dtype Coercions in Series/Index

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Error ReportingIncorrect or improved errors from pandasIncorrect or improved errors from pandas

Status: Closed (completed).

#15832 In pandas-dev/pandas;

· by gfyoung was closed on Jun 20, 2018

BUG: first() loses the timezone in groupby

Bug

Groupby

TimezonesTimezone data dtypeTimezone data dtype

Status: Closed (completed).

#15884 In pandas-dev/pandas;

· by chrisaycock was closed on Jun 22, 2018

TST: pytest.raises vs. tm.assert_raises_regex

Error ReportingIncorrect or improved errors from pandasIncorrect or improved errors from pandas

Testingpandas testing functions or related to the test suitepandas testing functions or related to the test suite

Status: Closed (completed).

#16521 In pandas-dev/pandas;

· by gfyoung was closed on Nov 10, 2018

TST/CLN: Warnings from pytest 3.1+

CIContinuous IntegrationContinuous Integration

good first issue

Testingpandas testing functions or related to the test suitepandas testing functions or related to the test suite

Status: Closed (completed).

#16481 In pandas-dev/pandas;

· by TomAugspurger was closed on Sep 18, 2018

agg method with list of functions does not work with axis=1

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

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

Status: Closed (completed).

#16679 In pandas-dev/pandas;

· by lafras was closed on Jul 28, 2018

Error bars not rendered correctly

Docs

Visualizationplottingplotting

Status: Closed (completed).

#17467 In pandas-dev/pandas;

· by drorata was closed on Nov 14, 2018

Feature request: DataFrame.mode(dropna=False)

API Design

Status: Closed (completed).

#17534 In pandas-dev/pandas;

· by fulldecent was closed on May 31, 2018

Timestamp(foo) vs to_datetime(foo)

TimezonesTimezone data dtypeTimezone data dtype

Status: Closed (completed).

#17697 In pandas-dev/pandas;

· by jbrockmendel was closed on Jul 30, 2018

BUG: DataFrame.astype with category dtype

Bug

CategoricalCategorical Data TypeCategorical Data Type

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Status: Closed (completed).

#16983 In pandas-dev/pandas;

· by rhaps0dy was closed on Dec 10, 2018

ENH: read_html to handle rowspan, colspan

Enhancement

IO HTMLread_html, to_html, Styler.apply, Styler.applymapread_html, to_html, Styler.apply, Styler.applymap

Status: Closed (completed).

#17054 In pandas-dev/pandas;

· by jowens was closed on Jul 5, 2018

BUG: reset_index can reset index name

Bug

good first issue

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

Needs TestsUnit test(s) needed to prevent regressionsUnit test(s) needed to prevent regressions

Status: Closed (completed).

#17067 In pandas-dev/pandas;

· by p-himik was closed on Oct 24, 2018

Investigate using Hypothesis for some tests

good first issue

Testingpandas testing functions or related to the test suitepandas testing functions or related to the test suite

Status: Closed (completed).

#17978 In pandas-dev/pandas;

· by TomAugspurger was closed on Aug 25, 2018

AmbiguousTimeError using drop on DatetimeIndex with DST change

DatetimeDatetime data dtypeDatetime data dtype

good first issue

Testingpandas testing functions or related to the test suitepandas testing functions or related to the test suite

TimezonesTimezone data dtypeTimezone data dtype

Status: Closed (completed).

#18031 In pandas-dev/pandas;

· by JrtPec was closed on Aug 3, 2018

read_excel does not raise error with wrong keyword arg

Error ReportingIncorrect or improved errors from pandasIncorrect or improved errors from pandas

IO Excelread_excel, to_excelread_excel, to_excel

Status: Closed (completed).

#17994 In pandas-dev/pandas;

· by lucianoviola was closed on Jul 7, 2018

BLD: tslib dependencies not fully specified

BuildLibrary building on various platformsLibrary building on various platforms

DatetimeDatetime data dtypeDatetime data dtype

TimedeltaTimedelta data typeTimedelta data type

TimezonesTimezone data dtypeTimezone data dtype

Status: Closed (completed).

#18089 In pandas-dev/pandas;

· by jreback was closed on Jul 20, 2018

ENH: add to_records() option to output NumPy string dtypes, not objects

Dtype ConversionsUnexpected or buggy dtype conversionsUnexpected or buggy dtype conversions

Enhancement

Output-Formatting__repr__ of pandas objects, to_string__repr__ of pandas objects, to_string

Status: Closed (completed).

#18146 In pandas-dev/pandas;

· by jzwinck was closed on Dec 30, 2018