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44 Open 1,668 Closed
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Issues list

BUG: assert_frame_equal(check_dtype=False) fails when comparing two DFs containing pd.NA that only differ in dtype (object vs Int32) Bug ExtensionArray Extending pandas with custom dtypes or arrays. good first issue Testing pandas testing functions or related to the test suite
#61473 opened May 21, 2025 by michiel-de-muynck
2 of 3 tasks
1
4
BUG: CustomBusinessDay not respecting calendar Bug Frequency DateOffsets good first issue
#60647 opened Jan 2, 2025 by benmgrant
2 of 3 tasks
3
@qscgy @VishalSindham
@mindofVishesh @yash4agr @Bala-Sid
14
TST: Make test_sql.py parallelizable good first issue IO SQL to_sql, read_sql, read_sql_query Testing pandas testing functions or related to the test suite
#60378 opened Nov 20, 2024 by WillAyd
1 of 3 tasks
1
@UmbertoFasci
14
DOC: Fix docs for various offset constructors Docs Frequency DateOffsets good first issue
#52431 opened Apr 5, 2023 by Dr-Irv
1 task done
@NavaneetthaSundararaj @choudharynishu
@Siniade @sainivas-99 @vinitaparasrampuria @Cadensmith1123
36
DOC: Simplify pandas theme footer Docs good first issue
#51536 opened Feb 21, 2023 by datapythonista
2
@HaripriyaGnanasekaran
10
CLN: Use dedup_names in all instances where duplicate column names are renamed Clean good first issue IO HTML read_html, to_html, Styler.apply, Styler.applymap
#50371 opened Dec 21, 2022 by datapythonista
1
@hamedgibago
27
Information for new contributors good first issue
#49275 opened Oct 24, 2022 by noatamir
9
DOC: add button to edit on GitHub Docs good first issue
#39859 opened Feb 17, 2021 by afeld
2
@ADing4818
16
DOC: Reindexing behaviour of dataframe column-assignment missing Docs good first issue Indexing Related to indexing on series/frames, not to indexes themselves
#39845 opened Feb 16, 2021 by fish-face
1
@marco-georgaklis
9
DOC: .str.cat output in case of Index object Docs good first issue
#35556 opened Aug 4, 2020 by galipremsagar
2 of 3 tasks
1
@souris-dev
7
BUG: read_sql no longer works simply with SqlAlchemy selectables and a quick fix good first issue IO SQL to_sql, read_sql, read_sql_query Needs Tests Unit test(s) needed to prevent regressions
#35484 opened Jul 30, 2020 by machow
3 tasks done
1
12
BUG: groupby.sum() is inconsistent with df.sum() for large integers Bug Dtype Conversions Unexpected or buggy dtype conversions good first issue Groupby Needs Tests Unit test(s) needed to prevent regressions Reduction Operations sum, mean, min, max, etc.
#34681 opened Jun 9, 2020 by tom-weiss
1 task
@deejlucas
21
DOC: Single Document For Code Guidelines Code Style Code style, linting, code_checks Docs good first issue
#33851 opened Apr 28, 2020 by Stockfoot
1
@arneja-arnav
21
WEB: Multiple "Getting Started" on pandas.io leads to different links good first issue Web pandas website
#32307 opened Feb 27, 2020 by mroeschke
@dbalagula @SouravPal1995
17
startingMonth ignored on non-unitary Quarter periods Frequency DateOffsets good first issue Needs Tests Unit test(s) needed to prevent regressions Resample resample method
#29576 opened Nov 12, 2019 by aulemahal
2
@joshdelg @KatsiarynaDzibrova
6
Various methods don't call call __finalize__ Bug good first issue metadata _metadata, .attrs
#28283 opened Sep 4, 2019 by TomAugspurger
34 of 38 tasks
@SomtochiUmeh
48
DOC: Fix formatting errors in docstrings Docs good first issue
#27977 opened Aug 17, 2019 by datapythonista
1
@ericmariasis @willpeppo
9
Fix PR02 issues in docstrings Docs good first issue
#27976 opened Aug 17, 2019 by datapythonista
@joshuabello2550
19
Indexing on series where index is output from pd.cut good first issue Indexing Related to indexing on series/frames, not to indexes themselves Needs Tests Unit test(s) needed to prevent regressions
#27437 opened Jul 17, 2019 by kuchenrolle
1
@Thanushri16
16
DOC: Generating docs doesn't work if path has whitespaces Docs good first issue
#22836 opened Sep 26, 2018 by datapythonista
@WadeEddy19
18
Updating value of a single row of a column using loc or at fails good first issue Needs Tests Unit test(s) needed to prevent regressions
#22040 opened Jul 24, 2018 by abhinav-upadhyay
@ccccjone
14
ENH/API: allow different values for labels/index in DF.reindex __OR__ raise error Error Reporting Incorrect or improved errors from pandas good first issue
#21685 opened Jun 29, 2018 by h-vetinari
@shuaggar-sys
13
issue when shifting with Timedelta in a groupby Docs good first issue Groupby Timedelta Timedelta data type
#20492 opened Mar 26, 2018 by randomgambit
1
@TheCheerfulCoder @Jahanvi-vy
14
Raise ValueError for read_json and orient='table' With Numeric Column Names Enhancement Error Reporting Incorrect or improved errors from pandas good first issue IO JSON read_json, to_json, json_normalize
#19129 opened Jan 8, 2018 by WillAyd
2
@IsaacG
20
BUG: Creating Index name using names names argument, doesn't set index name Docs good first issue MultiIndex
#19082 opened Jan 4, 2018 by jsnowacki
2
8
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