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KeyError when comparing DataFrame with tz-aware DatetimeIndex on columns with DST change

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

TimezonesTimezone data dtypeTimezone data dtype

Status: Closed (completed).

#19970 In pandas-dev/pandas;

· by Liam3851 was closed on Jun 13, 2018

TST/COMPAT: test Python 3.7

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

Status: Closed (completed).

#20552 In pandas-dev/pandas;

· by jorisvandenbossche was closed on Jun 25, 2018

Reduce distribution size

Status: Closed (completed).

#19320 In pandas-dev/pandas;

· by TomAugspurger was closed on Jun 26, 2018

CI: NumPy logical reductions (any, all) fail on DataFrame with NumPy master

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

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

DependenciesRequired and optional dependenciesRequired and optional dependencies

Status: Closed (completed).

#19976 In pandas-dev/pandas;

· by TomAugspurger was closed on Jun 26, 2018

Warn on duplicate names in MI?

API Design

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

Groupby

MultiIndex

Status: Closed (completed).

#19029 In pandas-dev/pandas;

· by TomAugspurger was closed on Jul 2, 2018

ERR: raise in tz incompat with DatetimeIndex ops

API Design

DatetimeDatetime data dtypeDatetime data dtype

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

TimezonesTimezone data dtypeTimezone data dtype

Status: Closed (completed).

#8306 In pandas-dev/pandas;

· by jreback was closed on Jun 18, 2018

bug in tz_localize when summer/winter time change

Bug

Resampleresample methodresample method

TimezonesTimezone data dtypeTimezone data dtype

Status: Closed (completed).

#8531 In pandas-dev/pandas;

· by gbakalian was closed on Jun 18, 2018

TST/BUG: Improve error handling when parsing iso 8601 strings

DatetimeDatetime data dtypeDatetime data dtype

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

TimezonesTimezone data dtypeTimezone data dtype

Status: Closed (completed).

#8910 In pandas-dev/pandas;

· by broessli was closed on Jun 18, 2018

BUG: Timestamp.replace() behaves naively at DST boundaries (plus bonus segfault!)

Bug

TimezonesTimezone data dtypeTimezone data dtype

Status: Closed (completed).

#7825 In pandas-dev/pandas;

· by ischwabacher was closed on Jun 18, 2018

BUG: DatetimeIndex.shift(freq=...) raises near DST boundary

TimezonesTimezone data dtypeTimezone data dtype

Status: Closed (completed).

#8616 In pandas-dev/pandas;

· by ischwabacher was closed on Jun 18, 2018

pandas.DataFrame.to_clipboard with excel option does not parse into columns with 0.23

Bug

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

Status: Closed (completed).

#21104 In pandas-dev/pandas;

· by kentmaxwell was closed on Jun 29, 2018

Rendering Series[Categorical] raises UnicodeDecodeError

CategoricalCategorical Data TypeCategorical Data Type

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

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

Status: Closed (completed).

#21002 In pandas-dev/pandas;

· by jbrockmendel was closed on Jun 21, 2018

BUG: DatetimeIndex constructed with Timestamps on DST border are converted to the same Timestamp

Bug

TimezonesTimezone data dtypeTimezone data dtype

Status: Closed (completed).

#20854 In pandas-dev/pandas;

· by mroeschke was closed on Jun 13, 2018

read_csv errors when low_memory=True, index_col is not None, and nrows=0

Bug

good first issue

IO CSVread_csv, to_csvread_csv, to_csv

Status: Closed (completed).

#21141 In pandas-dev/pandas;

· by pschafhalter was closed on Jun 19, 2018

(Assuming we don't want to disallow 1-level MultiIndexes), stop identifying MultiIndex by nlevels == 1

Clean

MultiIndex

Status: Closed (completed).

#21149 In pandas-dev/pandas;

· by toobaz was closed on Jun 14, 2018

MultiIndex <code>to_string</code> edge case Error after 0.23.0 upgrade

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

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

Status: Closed (completed).

#21180 In pandas-dev/pandas;

· by atlasstrategic was closed on Jul 2, 2018

to_clipboard undocumentedly changed from using to_csv to to_string downstream.

Duplicate ReportDuplicate issue or pull requestDuplicate issue or pull request

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

Status: Closed (completed).

#21385 In pandas-dev/pandas;

· by mvbentes was closed on Jun 10, 2018

pandas 0.23 broke unary negative expression on Decimal data type

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

Status: Closed (completed).

#21380 In pandas-dev/pandas;

· by rbu was closed on Jun 29, 2018

Improve HDFStore.groups performance

IO HDF5read_hdf, HDFStoreread_hdf, HDFStore

PerformanceMemory or execution speed performanceMemory or execution speed performance

Status: Closed (completed).

#21372 In pandas-dev/pandas;

· by spott was closed on Jun 21, 2018

groupby on 2 categorical columns, when one categorical is based on datetimes, incorrectly returns all NaN dataframe

CategoricalCategorical Data TypeCategorical Data Type

Groupby

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

Status: Closed (completed).

#21390 In pandas-dev/pandas;

· by rogeriomgatto was closed on Jul 2, 2018

Passing empty label list to df.drop() errors when index is non-unique

good first issue

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).

#21494 In pandas-dev/pandas;

· by imre-kerr was closed on Jun 21, 2018

Timedelta.__bool__ incorrect for nanosecond-only timedeltas

TimedeltaTimedelta data typeTimedelta data type

Status: Closed (completed).

#21484 In pandas-dev/pandas;

· by TomAugspurger was closed on Jun 18, 2018

json_normalize throws <code>TypeError</code> with array of values and <code>record_prefix</code>

Bug

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

IO JSONread_json, to_json, json_normalizeread_json, to_json, json_normalize

Status: Closed (completed).

#21536 In pandas-dev/pandas;

· by vuminhle was closed on Jun 22, 2018

Unexpected behaviour of apply function

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

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

Status: Closed (completed).

#21535 In pandas-dev/pandas;

· by Rgitz-setuserv was closed on Jun 21, 2018

"maximum recursion depth exceeded" when calculating duplicates in big DataFrame (regression comparing to the old version)

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

Status: Closed (completed).

#21524 In pandas-dev/pandas;

· by Templarrr was closed on Jun 21, 2018