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134 Open 1,030 Closed
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Issues list

BUG: DataFrame.to_dict(orient="records") does not return native types with frame constructed from pyarrow Scalars Arrow pyarrow functionality Bug Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays.
#37642 opened Nov 5, 2020 by arw2019
3
BUG: NA does not propagate through mask and where/ raises AssertionError in 1.1.0rc Bug ExtensionArray Extending pandas with custom dtypes or arrays. NA - MaskedArrays Related to pd.NA and nullable extension arrays Regression Functionality that used to work in a prior pandas version
#35429 opened Jul 27, 2020 by johnflavin
2 of 3 tasks
6
ENH: use EA.argmin/argmax in EA._reduce / Series.argmin/argmax Closing Candidate May be closeable, needs more eyeballs Enhancement ExtensionArray Extending pandas with custom dtypes or arrays.
#35178 opened Jul 8, 2020 by jorisvandenbossche
2
BUG: DataFrame construction from EA scalar gives object dtype Bug Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays. Indexing Related to indexing on series/frames, not to indexes themselves
#34959 opened Jun 23, 2020 by justinessert
3 tasks done
1
ENH: Pass arguments to to_pandas in `read_csv(engine="pyarrow") Arrow pyarrow functionality Enhancement ExtensionArray Extending pandas with custom dtypes or arrays. IO CSV read_csv, to_csv
#34823 opened Jun 16, 2020 by xhochy
BUG: StringArray non-extensible due to inconsisent assertion Bug ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data Subclassing Subclassing pandas objects
#34309 opened May 22, 2020 by sbrugman
1
13
Series construction with dtype=JSONDtype() and index with collection as 'scalar' API - Consistency Internal Consistency of API/Behavior Bug ExtensionArray Extending pandas with custom dtypes or arrays. Nested Data Data where the values are collections (lists, sets, dicts, objects, etc.).
#33901 opened Apr 30, 2020 by simonjayhawkins
3 tasks done
1
BUG: Series construction with dtype=JSONDtype() and index but no data RecursionError API - Consistency Internal Consistency of API/Behavior Bug ExtensionArray Extending pandas with custom dtypes or arrays. Nested Data Data where the values are collections (lists, sets, dicts, objects, etc.).
#33900 opened Apr 30, 2020 by simonjayhawkins
3 tasks done
BUG: ExtensionArray TestMethods.test_where_series (override is_scalar) Bug ExtensionArray Extending pandas with custom dtypes or arrays.
#33825 opened Apr 27, 2020 by andrewgsavage
1 of 3 tasks
4
BUG: mix of int and pd.NA defaults to object dtype Constructors Series/DataFrame/Index/pd.array Constructors Dtype Conversions Unexpected or buggy dtype conversions Enhancement ExtensionArray Extending pandas with custom dtypes or arrays. NA - MaskedArrays Related to pd.NA and nullable extension arrays Needs Discussion Requires discussion from core team before further action PDEP missing values Issues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprint
#33662 opened Apr 19, 2020 by eddy-geek
2 tasks done
1
BUG: concat_{categorical, compat} leads to erroneous result on non-ns datetime-EA Bug ExtensionArray Extending pandas with custom dtypes or arrays. Needs Tests Unit test(s) needed to prevent regressions Non-Nano datetime64/timedelta64 with non-nanosecond resolution Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#33331 opened Apr 6, 2020 by xhochy
5
BUG: ExtensionArray formatting of datetime-like forces nanosecond precision Bug ExtensionArray Extending pandas with custom dtypes or arrays. Output-Formatting __repr__ of pandas objects, to_string
#33319 opened Apr 6, 2020 by xhochy
2
EA interface - requirements for "hashable, value+order-preserving ndarray" API Design ExtensionArray Extending pandas with custom dtypes or arrays. Needs Discussion Requires discussion from core team before further action
#33276 opened Apr 3, 2020 by jorisvandenbossche
15
BUG: Categorical.values_for_(factorize|argsort) dont preserve order Bug Categorical Categorical Data Type ExtensionArray Extending pandas with custom dtypes or arrays.
#33245 opened Apr 2, 2020 by jbrockmendel
10
Support pydata/sparse arrays in DataFrame Closing Candidate May be closeable, needs more eyeballs Enhancement ExtensionArray Extending pandas with custom dtypes or arrays. Internals Related to non-user accessible pandas implementation Needs Discussion Requires discussion from core team before further action Sparse Sparse Data Type
#33182 opened Mar 31, 2020 by TomAugspurger
6
BUG: assignment with enlargement gives object dtype with ExtensionArrays Bug ExtensionArray Extending pandas with custom dtypes or arrays. Indexing Related to indexing on series/frames, not to indexes themselves setitem-with-expansion
#32346 opened Feb 29, 2020 by jorisvandenbossche
1
14
Using scipy's entropy function with "string" dtype Bug Compat pandas objects compatability with Numpy or Python functions ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
#32234 opened Feb 25, 2020 by SylvainLan
3
JSON table orient not roundtripping extension types Enhancement ExtensionArray Extending pandas with custom dtypes or arrays. IO JSON read_json, to_json, json_normalize
#32037 opened Feb 16, 2020 by navado
23
IntervalArray equality with wrong length Iterable raises TypeError API - Consistency Internal Consistency of API/Behavior Bug ExtensionArray Extending pandas with custom dtypes or arrays. Interval Interval data type Needs Discussion Requires discussion from core team before further action Numeric Operations Arithmetic, Comparison, and Logical operations
#31646 opened Feb 4, 2020 by simonjayhawkins
3
Handle ExtensionArrays in cut cut cut, qcut Enhancement ExtensionArray Extending pandas with custom dtypes or arrays.
#31389 opened Jan 28, 2020 by TomAugspurger
4
ENH: investigate using a bitarray as the mask in the nullable/masked ExtensionArrays Enhancement ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate NA - MaskedArrays Related to pd.NA and nullable extension arrays Needs Discussion Requires discussion from core team before further action
#31293 opened Jan 24, 2020 by jorisvandenbossche
4
Writing HDF5 with StringDtype columns fails with AttributeError: 'StringArray' object has no attribute 'size' Bug ExtensionArray Extending pandas with custom dtypes or arrays. IO HDF5 read_hdf, HDFStore Strings String extension data type and string data
#31199 opened Jan 22, 2020 by gerritholl
6
Incorrect boolean bitwise conversion when dtype=object Enhancement ExtensionArray Extending pandas with custom dtypes or arrays.
#31035 opened Jan 15, 2020 by eric-downes
10
BUG: pd.NA is not compatible with searchsorted Bug ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate NA - MaskedArrays Related to pd.NA and nullable extension arrays
#30944 opened Jan 12, 2020 by jschendel
@souvik3333
9
ENH/PERF: allow mask to be optional in our masked ExtensionArrays Enhancement ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate NA - MaskedArrays Related to pd.NA and nullable extension arrays Performance Memory or execution speed performance
#30435 opened Dec 23, 2019 by jorisvandenbossche
1
3
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