Issues: pandas-dev/pandas
FEEDBACK: PyArrow as a required dependency and PyArrow backed...
#54466
opened Aug 9, 2023 by
phofl
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128
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BUG: concatenating non overlapping time series with non ns unit leads to dataframe with missing data
Bug
Needs Triage
Issue that has not been reviewed by a pandas team member
#58471
opened Apr 29, 2024 by
jorgehv
2 of 3 tasks
BUG: how to convert .xls to .xlsx because Pandas failed to open .xls files
Bug
Needs Triage
Issue that has not been reviewed by a pandas team member
#58470
opened Apr 29, 2024 by
Chirawat3987
2 of 3 tasks
BUG: FutureWarning appears when assigning a bool list through .at
Bug
Needs Triage
Issue that has not been reviewed by a pandas team member
#58466
opened Apr 28, 2024 by
WILDADF
2 of 3 tasks
PERF: shift() of boolean series gives drawdown by an order of magnitude with default filling np.NaN comparing with filling by bool like False
Needs Triage
Issue that has not been reviewed by a pandas team member
Performance
Memory or execution speed performance
#58465
opened Apr 28, 2024 by
TsiVit
3 tasks done
ENH: The parameter Issue that has not been reviewed by a pandas team member
date_format
in read_csv
Enhancement
Needs Triage
#58463
opened Apr 28, 2024 by
BdR76
1 of 3 tasks
DOC: Issue that has not been reviewed by a pandas team member
read_csv
and parameter date_format
add example of a dict of columns
Docs
Needs Triage
#58462
opened Apr 28, 2024 by
BdR76
1 task done
BUG: read_html, to_html, Styler.apply, Styler.applymap
Needs Triage
Issue that has not been reviewed by a pandas team member
read_html
does not properly structure some html table elements (possible rowspan
or colspan
issues)
Bug
IO HTML
#58461
opened Apr 28, 2024 by
jowens
3 tasks done
Potential regression induced by REF: use maybe_convert_objects in pd.array
#58450
opened Apr 27, 2024 by
DeaMariaLeon
BUG: Apply, Aggregate, Transform
Bug
Groupby
Needs Info
Clarification about behavior needed to assess issue
groupby.agg
with as_index=False
and duplicate columns in by
fails with pd.NamedAgg
.
Apply
#58446
opened Apr 26, 2024 by
sfc-gh-rdurrani
2 of 3 tasks
BUG: Adding two series with pd.Series.add can change the dtype in unexpected ways.
Bug
Needs Triage
Issue that has not been reviewed by a pandas team member
#58428
opened Apr 25, 2024 by
kbruegge
2 of 3 tasks
BUG: np.bool_(False) & pd.NA gives pd.NA
Bug
Missing-data
np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
Needs Triage
Issue that has not been reviewed by a pandas team member
#58427
opened Apr 25, 2024 by
jbrockmendel
BUG: pyarrow listaccessor does not preserve indexes
Bug
Needs Triage
Issue that has not been reviewed by a pandas team member
#58425
opened Apr 25, 2024 by
yganodot
3 tasks done
BUG: Issue that has not been reviewed by a pandas team member
pd.concat
does not maintain timestamp[s][pyarrow]
index type. (MultiIndex
)
Bug
Needs Triage
#58421
opened Apr 25, 2024 by
randolf-scholz
2 of 3 tasks
BUG: Assigning datetime to pa.date32() type array should raise
Arrow
pyarrow functionality
Bug
Timeseries
#58420
opened Apr 25, 2024 by
WillAyd
3 tasks done
BUG: not reproducible error Issue that has not been reviewed by a pandas team member
FloatingPointError: overflow encountered in multiply
in the following sequence: read_csv followed by to_datetime with pandas version 2.2.2
Bug
Needs Triage
#58419
opened Apr 25, 2024 by
kapytaine
2 of 3 tasks
ENH: Add index_col parameter to the Dataframe constructor
Closing Candidate
May be closeable, needs more eyeballs
Enhancement
#58409
opened Apr 24, 2024 by
tomhoq
1 of 3 tasks
BUILD: Pandas 2.1.1 DLL load failed
Build
Library building on various platforms
Needs Triage
Issue that has not been reviewed by a pandas team member
#58405
opened Apr 24, 2024 by
EmmaIKirk
1 task done
BUG: Issue that has not been reviewed by a pandas team member
pd.infer_freq
incompatible with Series["timestamp[s][pyarrow]"]
.
Bug
Needs Triage
#58403
opened Apr 24, 2024 by
randolf-scholz
2 of 3 tasks
BUG: Losing information when handling of Issue that has not been reviewed by a pandas team member
NoneType
s in pd.json_normalize
Bug
Needs Triage
#58395
opened Apr 24, 2024 by
a-theron
3 tasks done
PERF: df.unstack() is 500 times slower since pandas>=2.1
Needs Triage
Issue that has not been reviewed by a pandas team member
Performance
Memory or execution speed performance
#58391
opened Apr 23, 2024 by
sbonz
2 of 3 tasks
DOC: pandas.Grouper should not accept args and kwargs and should have permanent arguments
Docs
Needs Triage
Issue that has not been reviewed by a pandas team member
#58388
opened Apr 23, 2024 by
tuhinsharma121
1 task done
BUG: NonExistentTimeError with resample("7D"), but only when DST day is not part of the date range
Bug
Needs Triage
Issue that has not been reviewed by a pandas team member
#58380
opened Apr 23, 2024 by
kdebrab
2 of 3 tasks
BUG: pytest fails for conda editable installation in Mac
Bug
Needs Triage
Issue that has not been reviewed by a pandas team member
#58373
opened Apr 22, 2024 by
tuhinsharma121
3 tasks done
ENH: Infer column dtype when constructing object with pd.NA
Dtype Conversions
Unexpected or buggy dtype conversions
Enhancement
NA - MaskedArrays
Related to pd.NA and nullable extension arrays
Needs Discussion
Requires discussion from core team before further action
#58366
opened Apr 22, 2024 by
amanlai
1 of 3 tasks
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