Top pandas issues

BUG: weird interaction between pyslurm, ujson that changes function signature of ujson.dumps

Bug IO JSON
igozali picture igozali·29 Apr 2020·7 Comments

Allow choosing the utc timezone class in pd.to_datetime

API Design Bug Timeseries Timezones
vmarkovtsev picture vmarkovtsev·11 Mar 2020·6 Comments
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[BUG] Dataframe.rank() produces wrong results for float columns

Algos Bug DataFrame
karthikeyann picture karthikeyann·10 Mar 2020·3 Comments

BUG: get_loc / get_indexer with NaT and tz-aware DatetimeIndex

Bug Indexing Timeseries
kernc picture kernc·10 Mar 2020·4 Comments

Why does Series.transform() exist?

Usage Question
UchuuStranger picture UchuuStranger·12 Feb 2020·8 Comments

Series.astype(str, skipna=True) vanished in the 1.0 release

Bug Needs Discussion Regression
languitar picture languitar·5 Feb 2020·13 Comments

pandas.util.testing is deprecated. Use the functions in the public API at pandas.testing instead. from pandas.util.testing import assert_frame_equal

Usage Question
LLancelot picture LLancelot·5 Feb 2020·7 Comments

ffill with groupby removes index on version >= 0.25.0

Usage Question
matejpavlovic-maistra picture matejpavlovic-maistra·9 Dec 2019·2 Comments

melt does not recognize numeric column names

Bug Reshaping
nils-braun picture nils-braun·19 Nov 2019·3 Comments

BUG: Nullable integer type cols become 'object' dtype by concatenation

Bug Duplicate ExtensionArray
cafeal picture cafeal·13 Nov 2019·3 Comments
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