Pulse · pandas-dev/pandas · GitHub

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January 20, 2020 – January 27, 2020

Overview

162 Active Pull Requests

142 Active Issues

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127 Pull requests merged by 37 people

Merged #29393 BUG: GH25495 incorrect dtype when using .loc to set Categorical value for column in 1-row DataFrame Jan 27, 2020
Merged #30784 API: DataFrame.take always returns a copy Jan 27, 2020
Merged #31323 CI: Fix jedi upgrades causes deprecation warning Jan 27, 2020
Merged #31320 Backport PR: Series rolling count ignores min_periods Jan 26, 2020
Merged #31198 DOC Remove Python 2 specific comments from documentation Jan 26, 2020
Merged #29243 Follow up PR: #28097 Simplify branch statement Jan 26, 2020
Merged #31188 BUG: DatetimeIndex.snap incorrectly setting freq Jan 26, 2020
Merged #31317 Move DataFrame.info() to live with similar functions Jan 26, 2020
Merged #31071 ENH: accept a dictionary in plot colors Jan 26, 2020
Merged #30676 PERF: add shortcut to Timestamp constructor Jan 26, 2020
Merged #31072 CLN/MAINT: Clean and annotate stata reader and writers Jan 26, 2020
Merged #31304 REF: define _get_slice_axis in correct classes Jan 26, 2020
Merged #31271 BUG: DataFrame.floordiv(ser, axis=0) not matching column-wise bheavior Jan 26, 2020
Merged #31294 PERF: optimize is_scalar, is_iterator Jan 26, 2020
Merged #30923 BUG: Series rolling count ignores min_periods Jan 26, 2020
Merged #31311 xfail sparse warning; closes #31310 Jan 26, 2020
Merged #31314 REF: DatetimeIndex.get_value wrap DTI.get_loc Jan 26, 2020
Merged #31316 CLN: internals.managers Jan 26, 2020
Merged #31300 PERF: avoid copies if possible in fill_binop Jan 25, 2020
Merged #31307 Add test for multiindex json Jan 25, 2020
Merged #31268 BUG: passing TDA and wrong freq to TimedeltaIndex Jan 25, 2020
Merged #31309 Backport PR #31292 on branch 1.0.x (CI: Updated version of macos image) Jan 25, 2020
Merged #31172 BUG: inconsistency between PeriodIndex.get_value vs get_loc Jan 25, 2020
Merged #31301 CLN: remove _set_subtyp Jan 25, 2020
Merged #31292 CI: Updated version of macos image Jan 25, 2020
Merged #31280 Fixes non-existent doc/source/api.rst issue Jan 25, 2020
Merged #31237 CI: Fix Assign CI not working with quotes Jan 25, 2020
Merged #31101 BUG: groupby transform fillna produces wrong result Jan 24, 2020
Merged #31196 TST: More regression tests Jan 24, 2020
Merged #31260 DOC fix truncated documentation for Series.unstack(), Series. Jan 24, 2020
Merged #31282 Backport PR #30929: ENH: Implement convert_dtypes' Jan 24, 2020
Merged #31279 DOC: move convert_dtypes whatsnew to 1.0 Jan 24, 2020
Merged #31277 ASV: add benchmarks for Series.array and extract_array Jan 24, 2020
Merged #31275 Backport PR #31037: PERF: improve access of .array Jan 24, 2020
Merged #31180 BUG/CLN: use more-correct isinstance check Jan 24, 2020
Merged #31267 Backport PR #31036 on branch 1.0.x (BUG: AssertionError on Series.append(DataFrame) fix #30975 ) Jan 24, 2020
Merged #30329 BUG: Integer Overflow in read_json with big number in string Jan 24, 2020
Merged #31168 REF: simplify index.pyx Jan 24, 2020
Merged #30862 Parallel Cythonization for spawned Processes Jan 24, 2020
Merged #31079 TST: Remove bare pytest.raises Jan 24, 2020
Merged #30854 CLN: remove pydt_to_i8 Jan 24, 2020
Merged #31145 Use https for links where available Jan 24, 2020
Merged #31144 Check for pyarrow not feather before pyarrow tests Jan 24, 2020
Merged #31263 BUG: na_logical_op with 2D inputs Jan 24, 2020
Merged #31266 REF: do alignment before _combine_series_frame Jan 24, 2020
Merged #31036 BUG: AssertionError on Series.append(DataFrame) fix #30975 Jan 24, 2020
Merged #31155 BUG: nonexistent Timestamp pre-summer/winter DST w/dateutil timezone Jan 24, 2020
Merged #31181 TYP: annotations in indexes Jan 24, 2020
Merged #31193 REF: combine IndexEngine test files Jan 24, 2020
Merged #30929 ENH: Implement convert_dtypes Jan 24, 2020
Merged #31126 TYP: DataFrame.(index|columns) and Series.index Jan 24, 2020
Merged #30945 BUG: Use self._constructor_sliced in df._reduce to respect subclassed… Jan 24, 2020
Merged #31241 TST: add tzaware case to indices fixture Jan 24, 2020
Merged #31169 REF: require scalar in IntervalIndex.get_loc, get_value Jan 24, 2020
Merged #31070 PERF: add shortcut to Timedelta constructor Jan 24, 2020
Merged #31257 BUG: DatetimeIndex.get_loc/get_value raise InvalidIndexError Jan 24, 2020
Merged #31037 PERF: improve access of .array Jan 24, 2020
Merged #31265 Backport PR #31249 on branch 1.0.x (TST: Fix timestamp comparison test) Jan 23, 2020
Merged #31249 TST: Fix timestamp comparison test Jan 23, 2020
Merged #31163 BUG: corner cases in DTI.get_value, Float64Index.get_value Jan 23, 2020
Merged #31258 REF: avoid calling engine for EA values Jan 23, 2020
Merged #31183 BUG: Series/Frame invert dtypes Jan 23, 2020
Merged #31261 Backport PR #31159 on branch 1.0.x (ENH: Implement _from_sequence_of_strings for BooleanArray) Jan 23, 2020
Merged #31159 ENH: Implement _from_sequence_of_strings for BooleanArray Jan 23, 2020
Merged #31255 Backport PR #31025 on branch 1.0.x (ENH: Handle extension arrays in algorithms.diff) Jan 23, 2020
Merged #31254 Backport PR #31187 on branch 1.0.x (BUG: IntegerArray.astype(boolean)) Jan 23, 2020
Merged #31025 ENH: Handle extension arrays in algorithms.diff Jan 23, 2020
Merged #31226 CLN: unused kwarg, poorly named obj->key Jan 23, 2020
Merged #31228 TST: parametrize tests Jan 23, 2020
Merged #31187 BUG: IntegerArray.astype(boolean) Jan 23, 2020
Merged #31246 Backport PR #31232 on branch 1.0.x (REGR: Fix IntervalIndex.map when result is object dtype) Jan 23, 2020
Merged #31230 make TDI.get_value use get_loc, fix wrong-dtype NaT Jan 23, 2020
Merged #31224 REF/TST: collect misplaced tests Jan 23, 2020
Merged #31232 REGR: Fix IntervalIndex.map when result is object dtype Jan 23, 2020
Merged #31244 Backport PR #31167 on branch 1.0.x (DOC: fix DataFrame.plot docs ) Jan 23, 2020
Merged #31167 DOC: fix DataFrame.plot docs Jan 23, 2020
Merged #31240 Backport PR #31211 on branch 1.0.x (BUG: Fixed upcast dtype for datetime64 in merge) Jan 23, 2020
Merged #31138 TST:Disallow bare pytest raises issue 30999 Jan 23, 2020
Merged #31165 TST: Replaced try-catch blocks with pytest.raises Jan 23, 2020
Merged #31179 CLN: core.internals Jan 23, 2020
Merged #31211 BUG: Fixed upcast dtype for datetime64 in merge Jan 23, 2020
Merged #31231 Backport PR #31229 on branch 1.0.x ((Fixes CI) Replaced set comprehension with a generator) Jan 23, 2020
Merged #31229 (Fixes CI) Replaced set comprehension with a generator Jan 23, 2020
Merged #31221 Backport PR #31215 on branch 1.0.x (Follow-up: XLSB Support) Jan 22, 2020
Merged #31206 Backport PR #31017 on branch 1.0.x (REG: restore format_type attr) Jan 22, 2020
Merged #31209 Backport PR #31203 on branch 1.0.x (numpydev ragged array dtype warning) Jan 22, 2020
Merged #31215 Follow-up: XLSB Support Jan 22, 2020
Merged #31217 DOC: fixup whatsnew Jan 22, 2020
Merged #31203 numpydev ragged array dtype warning Jan 22, 2020
Merged #31017 REG: restore format_type attr Jan 22, 2020
Merged #31192 CLN: remove unused fixtures Jan 22, 2020
Merged #31189 REF: move misplaced tests Jan 22, 2020
Merged #30345 COMPAT: numpy test warnings Jan 21, 2020
Merged #31171 TST: Add more regression tests for fixed issues Jan 21, 2020
Merged #31096 ENH: partial string indexing on non-monotonic PeriodIndex Jan 21, 2020
Merged #31119 BUG: concat not copying index and columns when copy=True Jan 21, 2020
Merged #31146 Remove possibly illegal test data Jan 21, 2020
Merged #31166 Backport PR #29836 on branch 1.0.x (ENH: XLSB support) Jan 21, 2020
Merged #31161 TST: Add regression tests for fixed issues Jan 21, 2020
Merged #31164 Backport PR #31133 on branch 1.0.x (BUG: Break reference from grouping level to MI) Jan 20, 2020
Merged #29836 ENH: XLSB support Jan 20, 2020
Merged #31057 Split out JSON Date Converters Jan 20, 2020
Merged #30209 ENH: show percentiles in timestamp describe (#30164) Jan 20, 2020
Merged #30856 REF: Move generic methods to aggregation.py Jan 20, 2020
Merged #30943 BUG: Fix MutliIndexed unstack failures at tuple names Jan 20, 2020
Merged #31162 CLN/STY: various code cleanups Jan 20, 2020
Merged #31133 BUG: Break reference from grouping level to MI Jan 20, 2020
Merged #31088 BUG: df.pivot_table fails when margin is True and only columns is defined Jan 20, 2020
Merged #31058 REF: use _get_string_slice in PeriodIndex.get_value Jan 20, 2020
Merged #30876 ENH Avoid redundant CSS in Styler.render Jan 20, 2020
Merged #30882 raise more specific error if dict is appended to frame wit… Jan 20, 2020
Merged #30885 [DOC] set klass correctly for series and dataframe set_axis Jan 20, 2020
Merged #31049 CLN: Remove unused release scripts Jan 20, 2020
Merged #30403 TYP: Type annotations in pandas/io/formats/style.py Jan 20, 2020
Merged #30874 CLN: fix wrong types getting passed to TDI._get_string_slice Jan 20, 2020
Merged #30908 BUG: EAs should not be hashable Jan 20, 2020
Merged #30902 BUG: raise on non-hashable in __contains__ Jan 20, 2020
Merged #30461 TYP: Annotations in pandas/core/nanops.py Jan 20, 2020
Merged #31143 REF: share searchsorted between DTI/TDI/PI, insert between DTI/TDI Jan 20, 2020
Merged #30998 TST: insert 'match' to bare pytest raises in pandas/tests/internals/ Jan 20, 2020
Merged #30679 BUG: groupby apply raises ValueError when groupby axis has duplicates and applied identity function Jan 20, 2020
Merged #31128 REF: require PeriodArray in PeriodIndex._simple_new Jan 20, 2020
Merged #31134 REF/BUG: Index.get_value called incorrectly, de-duplicate+simplify Jan 20, 2020
Merged #31152 Backport PR #31095 on branch 1.0.x (DOC: Restore ExtensionIndex.dropna.__doc__) Jan 20, 2020
Merged #31147 Use Python 3 shebangs Jan 20, 2020
Merged #31095 DOC: Restore ExtensionIndex.dropna.__doc__ Jan 20, 2020
Merged #31053 DOC: Fix HDF5 complevel and complib formatting Jan 20, 2020

35 Pull requests proposed by 16 people

Proposed #31156 DOC: Update of the 'getting started' pages in the sphinx section of the documentation Jan 20, 2020
Proposed #31182 CLN: Make Series._values match Index._values Jan 21, 2020
Proposed #31185 (Wip) Offsets Jan 21, 2020
Proposed #31191 Fixturize JSON tests Jan 22, 2020
Proposed #31194 Make DTI.get_loc/get_value require tzawareness-compat for datetimes Jan 22, 2020
Proposed #31195 WIP/TST/ENH: require freq match in assert_index_equal Jan 22, 2020
Proposed #31207 BUG: no longer raise user warning when plotting tz aware time series Jan 22, 2020
Proposed #31210 COMPAT: Argsort position matches NumPy Jan 22, 2020
Proposed #31216 BUG: replacing one column's values was changing other columns' dtypes Jan 22, 2020
Proposed #31227 WIP: TST: pass random names in tm.makeDateIndex Jan 22, 2020
Proposed #31238 REGR: Fix GroupBy aggregation with ExtensionArray backed index Jan 23, 2020
Proposed #31239 COMPAT: tzawareness behavior to be same as datetime Jan 23, 2020
Proposed #31242 ENH: add use_nullable_dtypes option in read_parquet Jan 23, 2020
Proposed #31247 ENH: Implement DataFrame.value_counts Jan 23, 2020
Proposed #31253 Update algorithms.py Jan 23, 2020
Proposed #31262 PLT: Color attributes of medianprops etc are lost in df.boxplot and df.plot.boxplot Jan 23, 2020
Proposed #31278 BUG: 27453 right merge order Jan 24, 2020
Proposed #31288 REF: combine all alignment into _align_method_FRAME Jan 24, 2020
Proposed #31290 BUG: Handle IntegerArray in pd.cut Jan 24, 2020
Proposed #31295 DOC: correct examples for "is_iterator" Jan 24, 2020
Proposed #31296 PERF: do DataFrame.op(series, axis=0) blockwsie Jan 24, 2020
Proposed #31297 REF: pass str_rep through arithmetic ops more consistently Jan 24, 2020
Proposed #31305 POC: use typing.final Jan 25, 2020
Proposed #31312 BUG: MultiIndex intersection with sort=False does not preserve order Jan 25, 2020
Proposed #31315 REF: tighten what we accept in TimedeltaIndex._simple_new Jan 25, 2020
Proposed #31318 REF: make PeriodIndex.get_value wrap PeriodIndex.get_loc Jan 26, 2020
Proposed #31321 CLN: dont return anything from _validate_indexer; annotations Jan 26, 2020
Proposed #31328 Ensure conversion to "native" types for integer EA Jan 26, 2020
Proposed #31329 BUG: ser.at match ser.loc with Float64Index Jan 26, 2020
Proposed #31331 BUG: Increased support for subclassed types. Jan 26, 2020
Proposed #31333 DEPR: indexing Series with single-entry list Jan 27, 2020
Proposed #31334 DEPR: row-based indexing in DataFrame.__getitem__ Jan 27, 2020
Proposed #31335 REF: share code for set-like ops in DTI/TDI/PI Jan 27, 2020
Proposed #31337 CLN: some minor cleanups Jan 27, 2020
Proposed #31341 Backport PR #31323 on branch 1.0.x (CI: Fix jedi upgrades causes deprecation warning) Jan 27, 2020

101 Issues closed by 14 people

Closed #27357 DEPR: .take(..., is_copy=True); rename is_copy -> copy Jan 27, 2020
Closed #31324 CI: seems jedi caused ci to fail in certain versions Jan 27, 2020
Closed #31339 Sometimes one day of when reading date fields Jan 27, 2020
Closed #28672 Pandas tries to do something with indexes while only supposed to work with values. Jan 27, 2020
Closed #31336 json normalize max level not working Jan 27, 2020
Closed #31327 Consider moving tests/ outside the pandas module Jan 26, 2020
Closed #26899 Usability: TAB completion no longer works with accessors Jan 26, 2020
Closed #31303 applymap fails in presence of nan values and function returning None Jan 26, 2020
Closed #31291 is_iterator doctest incorrect for list Jan 26, 2020
Closed #31233 DOC ENH: Move DataFrame.info from "Serialization / IO / conversion" to "Attributes and underlying data" Jan 26, 2020
Closed #31306 NaT values cannot be compared with tz-aware datetime objects Jan 26, 2020
Closed #8193 Passing a dictionary of columns names and colors Jan 26, 2020
Closed #30543 PERF: Timestamp/Timedelta constructors when passed a Timestamp/Timedelta Jan 26, 2020
Closed #26996 BUG: Series.rolling min_period is ignored and NA behaves strangely Jan 26, 2020
Closed #31310 CI: xfail sparse warning Jan 26, 2020
Closed #31313 Series logical operations with nullable Boolean data type Jan 25, 2020
Closed #31028 Series.to_json produces invalid JSON with `orient="index"` if index is multilevel Jan 25, 2020
Closed #31281 CI: update azure VM image Jan 25, 2020
Closed #31135 Docs mention non-existent doc/source/api.rst Jan 25, 2020
Closed #29768 CI: Action to assign issues fails when quotes are present Jan 25, 2020
Closed #30918 Unexpected behaviour of groupby.transform when using 'fillna' Jan 24, 2020
Closed #18265 BUG: Calling DataFrame.stack on an out-of-order column MultiIndex leads to swapped values Jan 24, 2020
Closed #30986 Cannot write MultiIndex DataFrame to excel (to_excel) which contains Peroid IntervalIndex Jan 24, 2020
Closed #19020 json_normalize fails when input is a Series without a 0 in the index Jan 24, 2020
Closed #19974 min_count is ignored by sum/prod when resampling a PeriodIndex Jan 24, 2020
Closed #31287 Allow .dt.month_name() and .dt.day_name() to return ordered categorical Jan 24, 2020
Closed #31235 DOC BUG API Reference documentation truncated for Series.unstack(), Series. Jan 24, 2020
Closed #31289 Incorrect result in GroupBy.cov when some results have 1 observation Jan 24, 2020
Closed #31284 Can't replace tz-aware with None Jan 24, 2020
Closed #31274 Performance issue when using pivot_table with multiple columns out of which at least one is of type 'category' Jan 24, 2020
Closed #31276 pandas.Series.str.replace giving irrelavent results Jan 24, 2020
Closed #31273 ENH: make the mask optional in the nullable masked ExtensionArrays Jan 24, 2020
Closed #24022 type integrity failure astype vs read_csv Jan 24, 2020
Closed #23965 DataFrame: damage data integrity in conversion and iterations Jan 24, 2020
Closed #22661 Bug: pd.read_csv does not read lines with data containing leading quotes but not matching close quotes Jan 24, 2020
Closed #31272 Dropped columns still available for filtering Jan 24, 2020
Closed #30520 Performance issue with pandas/core/common.py -> maybe_box_datetimelike Jan 24, 2020
Closed #30320 Read_json overflow error when json contains big number strings Jan 24, 2020
Closed #30975 AssertionError from Series.append(DataFrame) with 1.0.0rc0 Jan 24, 2020
Closed #31043 BUG: nonexistent Timestamp pre-summer/winter DST change with dateutil timezone Jan 24, 2020
Closed #25596 pandas.DataFrame.sum() returns wrong type for subclassed pandas DataFrame Jan 24, 2020
Closed #31264 Cannot add pandas_profiling module into SQL Server Jan 23, 2020
Closed #31175 test_timestamp:test_class_ops_pytz can fail due to bad luck of timing of calls Jan 23, 2020
Closed #31259 Please help me to understand TypeError: Expected tuple, got str Jan 23, 2020
Closed #31131 ENH: Implement CSV reading for BooleanArray Jan 23, 2020
Closed #30967 DataFrame.diff fails with nullable integers Jan 23, 2020
Closed #30889 Series lose nullable integer dtype after call to .diff() Jan 23, 2020
Closed #31102 BUG: Cannot astype from IntegerArray to BooleanArray with missing values Jan 23, 2020
Closed #31202 IntervalIndex.map raises "TypeError: Unexpected keyword arguments {'closed'}" in pandas 1.0.0rc0 Jan 23, 2020
Closed #29489 DataFrame.plot docs broken Jan 23, 2020
Closed #31222 Empty DatetimeIndex gets converted on assignment with .loc Jan 23, 2020
Closed #31234 DOC BUG DataFrame.plot() and Series.plot() documentation missing Jan 23, 2020
Closed #31208 dtypes convert to object on merge on 1.0.0rc0 Jan 23, 2020
Closed #31197 dataframe memory usage increased after .loc[] or df[a:b] Jan 23, 2020
Closed #31149 Lint issue with new version of flake8-comprehensions plugin Jan 23, 2020
Closed #31212 CI: Web and docs (pull_request) fails: can't rich intershipinx inventory Jan 22, 2020
Closed #24576 REF: use _unbox_scalar to de-duplicate TDA/DTA/PA comparison methods Jan 22, 2020
Closed #31157 REGR: outer merge resulting in missing datetime values converts to int Jan 22, 2020
Closed #31214 min(axis = 1) propagates NAN when encountering missing timestamps Jan 22, 2020
Closed #31201 COMPAT: numpy object array coercion warnings Jan 22, 2020
Closed #30962 AttributeError: 'FrameFixed' object has no attribute 'format_type' on 1.0.0rc0 Jan 22, 2020
Closed #15458 DOC: DataFrame.plot options are not documented in docstring form Jan 22, 2020
Closed #27748 Reference docs: Nearly empty page for pandas.DataFrame.plot Jan 22, 2020
Closed #30334 COMPAT: numpy test warning Jan 21, 2020
Closed #29901 Strange behaviour of pd.offsets.CustomBusinessHour when using holidays Jan 21, 2020
Closed #15150 BUG: crosstab cannot normalize multiple columns for the index Jan 21, 2020
Closed #16231 resample.apply flattens column index when more than 3 levels Jan 21, 2020
Closed #15454 BUG: __getitem__ on MultiIndex with empty slice raises Jan 21, 2020
Closed #16410 IntervalIndex get_indexer may return -1 for values that are in the index Jan 21, 2020
Closed #16699 .loc Multiindex DateTime slicing failures Jan 21, 2020
Closed #16894 DataFrame._init_dict handles columns with nan incorrectly if columns passed separately Jan 21, 2020
Closed #16916 Aggregate fails with mixed types in grouping series Jan 21, 2020
Closed #31174 Pip 20 ruins builds. Jan 21, 2020
Closed #29879 pd.concat with copy=True doesn't copy columns index Jan 21, 2020
Closed #27325 IndexError when trying to Fill Gaps in Time Series using pd.DataFrame.resample Jan 21, 2020
Closed #26948 to_csv header=False not working Jan 21, 2020
Closed #26687 rolling_apply forces output type to be numerical Jan 21, 2020
Closed #25846 reset_index() error after crosstab Jan 21, 2020
Closed #22525 Round trip json serialization issues Jan 21, 2020
Closed #27414 read_csv memory leak Jan 21, 2020
Closed #27605 'cx_Oracle.LOB‘ object is not subscriptable Jan 21, 2020
Closed #15058 When running set_index on a categorical to a MultiIndex, it gets coerced to a string. Jan 21, 2020
Closed #12163 Dead code breaks unpickling of timezone objects Jan 21, 2020
Closed #14592 Setting DataFrame of Python objects and MultiIndex columns wth single-element NDFrame inserts list Jan 21, 2020
Closed #12948 BUG: bug in construction using a tuple indexer with embedded None Jan 21, 2020
Closed #14955 DataFrameGroupBy fillna swallows exceptions. Jan 21, 2020
Closed #14849 groupby type coercion dependent on presence of datetime column in grouped data Jan 21, 2020
Closed #14600 Concatenation of category value counts mixes up the index order Jan 21, 2020
Closed #8540 Enhancement: XLSB support in read_excel() Jan 20, 2020
Closed #30164 Request: show datetime percentiles in 'describe' method Jan 20, 2020
Closed #19966 MultiIndexed unstack with tuple names fails with KeyError Jan 20, 2020
Closed #31068 REGR: MultiIndex level names RuntimeError in groupby.apply Jan 20, 2020
Closed #31153 Cannot iterate over result of a group by multiple columns if one contains NaN Jan 20, 2020
Closed #31140 Feature Request: Add offset as head() second parameter Jan 20, 2020
Closed #31016 BUG: pivot_table with multi-index columns only and margins=True gives wrong output or fails Jan 20, 2020
Closed #30871 Improve error message for DataFrame.append(<dict-like>) Jan 20, 2020
Closed #30881 DOC: missing docstring substitution for Series/DataFrame.set_axis() Jan 20, 2020
Closed #30667 groupby.apply fails with ValueError: cannot reindex from a duplicate axis Jan 20, 2020
Closed #30192 DOC: undocumented head(n), tail(n) accept negative values. But not on GroupBy Jan 20, 2020
Closed #31052 User guide HDF5 complevel and complib formatting strange Jan 20, 2020
Closed #31151 ImportError because of file named bottleneck.py Jan 20, 2020

41 Issues created by 32 people

Opened #31340 Bug: loc assignment results in wrong dtype Jan 27, 2020
Opened #31338 BUG: Timestamp UTC offset incorrect for dateutil tz in ambiguous DST time Jan 27, 2020
Opened #31332 Adding keep parameter to merge method Jan 26, 2020
Opened #31330 Rows order when using slice(None) on MultiIndex Dataframe.loc Jan 26, 2020
Opened #31326 BUG: inconsistent behaviors for Index.union() and Index.intersection() with duplicates Jan 26, 2020
Opened #31325 BUG: MultiIndex intersection with sort=False does not preserve order Jan 26, 2020
Opened #31308 pd.concat inconsistent with non-unique index Jan 25, 2020
Opened #31302 ENH: Change default behavior of rolling.count to be consistent with others Jan 25, 2020
Opened #31299 DEPR: disallow series[[slice(...)]] Jan 25, 2020
Opened #31298 Aggregate with categorical variables but without groupby Jan 25, 2020
Opened #31293 ENH: investigate using a bitarray as the mask in the nullable/masked ExtensionArrays Jan 24, 2020
Opened #31286 Unexpected behaviour of `Series.rolling.corr` when using a `Timedelta` based window. Jan 24, 2020
Opened #31270 ENH: Move "corrwith" from transformation_kernels to reduction_kernels in groupby.base Jan 24, 2020
Opened #31269 ENH: allow 'pad', 'backfill' and 'cumcount' in groupby.transform Jan 24, 2020
Opened #31256 Regression bugs when applying GroupBy Aggregations to Categorical columns Jan 23, 2020
Opened #31252 'test_factorize_empty' test failure with custom ExtensionDtype Jan 23, 2020
Opened #31251 read_csv: if parse_dates dont appear in use_cols, we get a trace Jan 23, 2020
Opened #31250 pd.DataFrame.duplicated, drop_duplicates does not support column operation Jan 23, 2020
Opened #31248 REGR: CategoricalIndex and IntervalIndex are missing _index_data attribute Jan 23, 2020
Opened #31245 Verbose parameter in pandas.Series.apply Jan 23, 2020
Opened #31243 Potential bug in reading SAS files with CHAR (RLE) compression and many repeated characters Jan 23, 2020
Opened #31225 Make the documentation for pandas.Series.str.replace() clearer Jan 22, 2020
Opened #31223 GroupBy aggregation fails if DataFrame has CategoricalIndex Jan 22, 2020
Opened #31220 Index.sort_values puts missing values at the start with ascending=False Jan 22, 2020
Opened #31219 ENH: maybe_dispatch_to_dunder_op handle min/max Jan 22, 2020
Opened #31218 BUG: DTA/TDA setitem breaks freq on views Jan 22, 2020
Opened #31205 BUG: plotting regular tz-aware timeseries gives UserWarning Jan 22, 2020
Opened #31204 convert numeric column to dedicated `pd.StringDtype()` Jan 22, 2020
Opened #31200 raise more explanatory error when failing initialising pd.Timestamp Jan 22, 2020
Opened #31199 Writing HDF5 with StringDtype columns fails with AttributeError: 'StringArray' object has no attribute 'size' Jan 22, 2020
Opened #31190 ENH: assert_frame_equal can produce unhelpful output Jan 21, 2020
Opened #31186 Adding and subtracting DateOffsets results in different behaviour Jan 21, 2020
Opened #31184 _BaseOffset's parameter `n` should be prevented from being 0 Jan 21, 2020
Opened #31178 ewm NaN handling is wrong : simple example Jan 21, 2020
Opened #31177 Setting multiindex with columns that contain list as element raises TypeError Jan 21, 2020
Opened #31176 Parquet file written with Dask does not load using Pandas Jan 21, 2020
Opened #31173 ValueError: can not merge DataFrame with instance of type Jan 21, 2020
Opened #31170 pandas read_csv() doesn't work with StreamingBody object where python engine is required Jan 21, 2020
Opened #31160 MyPy doesn't recognize scalar arithmetic for pandas classes Jan 20, 2020
Opened #31158 BUG? Intended bebavior? MI levels and codes ordered in lexsorted in from_* Jan 20, 2020
Opened #31154 REF: move 'describe' functions to new file Jan 20, 2020

102 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

47 new comments Open #31150 API: generalized check_array_indexer for validating array-like getitem indexers Jan 27, 2020
29 new comments Open #31136 COMPAT: Return NotImplemented for subclassing Jan 26, 2020
28 new comments Open #27237 ENH: Added key option to df/series.sort_values(key=...) and df/series.sort_index(key=...) sorting Jan 24, 2020
23 new comments Open #27573 API: Make most arguments for read_html and read_json keyword-ony Jan 26, 2020
18 new comments Open #30147 CLN: Refactor pandas/tests/base - part3 Jan 27, 2020
15 new comments Open #30928 ENH: Allow multi values for index and columns in df.pivot Jan 26, 2020
14 new comments Open #29116 ENH: Implement Keyword Aggregation for DataFrame.agg and Series.agg Jan 26, 2020
13 new comments Open #29752 ENH: Allow opting in to new dtypes on I/O routines via keyword to I/O routines Jan 24, 2020
13 new comments Open #30562 ENH: Allow absolute precision in assert_almost_equal (#13357) Jan 22, 2020
13 new comments Open #31114 Adding validate_rst_title_capitalization.py script and testing code_checks.sh (#26941) Jan 25, 2020
11 new comments Open #31148 DOC: replace long table of contents on home page with main links Jan 24, 2020
7 new comments Open #30755 CI: Unify tests cases Jan 25, 2020
7 new comments Open #31060 CLN: Replace Appender and Substitution with simpler doc decorator Jan 25, 2020
6 new comments Open #30492 BUG: sql different offsets (1/2 modify infer_dtype) Jan 26, 2020
6 new comments Open #30870 BUG: set_index() and reset_index() not preserving object dtypes Jan 24, 2020
6 new comments Open #31118 ERR: better error message on unparseable datetimes Jan 21, 2020
5 new comments Open #29884 NumPy 1.18 behavior for sorting NaT Jan 24, 2020
5 new comments Open #30282 solve "Int64 with null value mangles large-ish integers" problem Jan 25, 2020
5 new comments Open #30515 BUG: List indexer on PeriodIndex doesn't coerce strings Jan 26, 2020
5 new comments Open #30858 BUG: aggregations were getting overwritten if they had the same name Jan 24, 2020
4 new comments Open #31142 Series.combine with fill_value gives unexpected results Jan 23, 2020
3 new comments Open #30944 BUG: pd.NA is not compatible with searchsorted Jan 22, 2020
3 new comments Open #25190 DataFrame.interpolate(axis='columns') throws exception while DataFrame.interpolate(axis=1) not Jan 26, 2020
3 new comments Open #29404 BUG: GH29310 HDF file compression not working Jan 27, 2020
3 new comments Open #30641 CI: Adding build for ARM64 Jan 23, 2020
2 new comments Open #30359 read_csv Pass File System (AWS, GCP) as Option. Jan 21, 2020
2 new comments Open #31073 The IntervalIndex documentation makes no mention of IntervalIndex.get_loc Jan 21, 2020
2 new comments Open #18199 Feature to read csv from hdfs:// URL Jan 21, 2020
2 new comments Open #30867 Multi-dimensional Index indexing followups Jan 22, 2020
2 new comments Open #30742 PERF: regression in getattr for IntervalIndex Jan 23, 2020
2 new comments Open #26314 Pivot / unstack on large data frame does not work int32 overflow Jan 24, 2020
2 new comments Open #27522 DEPR: pandas/core Jan 27, 2020
2 new comments Open #28474 BUG: Check for duplicate names columns and index in crosstab Jan 26, 2020
2 new comments Open #28933 BUG: Preserve key order when using loc on MultiIndex DataFrame Jan 26, 2020
2 new comments Open #30584 ENH: Add dropna in groupby to allow NaN in keys Jan 26, 2020
2 new comments Open #30743 ENH: Support multi row inserts in to_sql when using the sqlite fallback Jan 26, 2020
2 new comments Open #30903 Implement C Level Timedelta ISO Function; fix JSON usage Jan 21, 2020
2 new comments Open #31034 TST: Split test_offsets.py - Added fixtures for date offsets and business date offsets Jan 26, 2020
1 new comment Open #30191 DOC: when accessed from inside a column-wise `df.apply(..., axis=1)`, row.index refers to df.columns, and row.name refers to df.index value Jan 20, 2020
1 new comment Open #31090 Clean Up Sphinx Warnings Jan 20, 2020
1 new comment Open #16719 BUG: to_latex with multicolumn and multiindex joins cells which are on different hierarchy levels Jan 21, 2020
1 new comment Open #31117 REF: IntervalIndex.get_value partial slicing Jan 21, 2020
1 new comment Open #31116 Unclear DataFrame.info() range summary info for DatetimeIndex Jan 21, 2020
1 new comment Open #29738 API: ExtensionArrays and conversion to "native" types (eg in tolist, to_dict, iteration, ..) Jan 21, 2020
1 new comment Open #30346 color attribute of medianprops is not correctly understand in a boxplot Jan 21, 2020
1 new comment Open #29556 Missing values proposal: concrete steps for 1.0 Jan 21, 2020
1 new comment Open #30931 Attempted install of 1.0.0.0rc0 with conda fails Jan 22, 2020
1 new comment Open #30892 value assignment bug for multi-indexed dataframes in v1.0.0rc0 Jan 22, 2020
1 new comment Open #23955 Bug: Pivot fails for MultiIndex If existing index is used. Jan 22, 2020
1 new comment Open #27794 Min/max does not work for dates with timezones if there are missing values in the data frame Jan 22, 2020
1 new comment Open #29570 In-memory to_pickle leads to I/O error Jan 22, 2020
1 new comment Open #23889 pandas groupby sum min_count misbehaves Jan 22, 2020
1 new comment Open #30512 DataFrame.replace changes dtype of columns not containing any value to be replaced. Jan 22, 2020
1 new comment Open #18030 Pandas pivot_table MultiIndex and dropna=False generates all combinations of modalities instead of keeping existing one only Jan 23, 2020
1 new comment Open #30291 Docs request: Specifying behavior of `dtype` parameter Jan 23, 2020
1 new comment Open #27492 RLS: 1.0.0 Jan 24, 2020
1 new comment Open #6697 col.replace(dict) takes too much memory Jan 24, 2020
1 new comment Open #28928 Masking broken (or at least different) for Int64 Series Jan 24, 2020
1 new comment Open #30999 TST: Disallow bare pytest.raises Jan 24, 2020
1 new comment Open #30349 PERF: Speed up boolean masking on Series / index Jan 25, 2020
1 new comment Open #30086 Series.searchsorted with different timezones Jan 26, 2020
1 new comment Open #14042 numpy.split on non-UTC, tz-aware data undergoes UTC roundtrip Jan 26, 2020
1 new comment Open #10329 Strange error message when summing datetime64 and datetime.time column Jan 26, 2020
1 new comment Open #30741 Suggestion: remove tests from the distribution Jan 27, 2020
1 new comment Open #9540 Using 'by' and 'weights' together with DataFrame.hist() results in ValueError: weights should have the same shape as x Jan 27, 2020
1 new comment Open #27407 ENH: Allow index names to be included in itertuples() result Jan 27, 2020
1 new comment Open #28373 ENH: Fix `by` in .plot.hist Jan 25, 2020
1 new comment Open #28874 use requests when it is installed Jan 21, 2020
1 new comment Open #29375 Deprecate using `xlrd` engine Jan 26, 2020
1 new comment Open #29941 ENH: support datetime64, datetime64tz in nanops.mean, nanops.median Jan 26, 2020
1 new comment Open #30304 BUG: fix DataFrame.apply returning wrong result when dealing with dtype (#28773) Jan 21, 2020
1 new comment Open #30728 Fix read_json category dtype Jan 27, 2020
1 new comment Open #30912 DOC: Added documentation for ImportError's Jan 27, 2020
1 new comment Open #30922 ENH:column-wise DataFrame.fillna and duplicated DataFrame.fillna with Series and Dict Jan 24, 2020
0 new comments Open #10720 DOC/ERR: better error message on unsuccessful datetime parsing Jan 20, 2020
0 new comments Open #31077 dict to series turns tuple keys into single strings Jan 21, 2020
0 new comments Open #22853 Add chunksize support to to_json Jan 21, 2020
0 new comments Open #22361 setting a whole column changes column dtype from "category" to "object" Jan 21, 2020
0 new comments Open #9457 assert_almost_equal / equals should allow access to np.allclose Jan 21, 2020
0 new comments Open #30435 ENH/PERF: allow mask to be optional in our masked ExtensionArrays Jan 24, 2020
0 new comments Open #19102 ENH: A cheap copy on a dataframe Jan 24, 2020
0 new comments Open #12993 ENH: return .dt.weekday/isoweekday/month_name/day_name as ordered categoricals Jan 24, 2020
0 new comments Open #22797 loc() does not swap two rows in multi-index pandas dataframe Jan 26, 2020
0 new comments Open #25495 Unexpected dtype when using .loc to set Categorical value for column in 1-row DataFrame Jan 26, 2020
0 new comments Open #12997 to_json converts to UTC when encoding ISO formatted datetimes Jan 26, 2020
0 new comments Open #18854 Offsets Roundup Jan 26, 2020
0 new comments Open #22450 Timestamp.timestamp() inconsistent with Datetime.timestamp() Jan 26, 2020
0 new comments Open #23988 BUG: maybe_infer_to_datetimelike incorrect on 2D inputs Jan 26, 2020
0 new comments Open #25594 Adding multiple columns with loc fails Jan 26, 2020
0 new comments Open #14741 groupby agg with rank and parameter return does not reduce Jan 26, 2020
0 new comments Open #12154 "min_itemsize" doesn't work for MultiIndex columns in table format Jan 26, 2020
0 new comments Open #12536 ENH: support timedeltas with window functions Jan 26, 2020
0 new comments Open #30984 DOC: plotting backend is not mentioned in the user guide Jan 26, 2020
0 new comments Open #30845 numexpr inconsistent result Jan 26, 2020
0 new comments Open #18531 Inconsistent handling of empty slices with non-monotonic indexes Jan 26, 2020
0 new comments Open #28697 Series.sort_values using mergesort and descending is not stable Jan 27, 2020
0 new comments Open #28909 DOC: diff() when using unsigned ints Jan 27, 2020
0 new comments Open #27801 [ENH] Add argmax, max, argmin, min to EA Jan 22, 2020
0 new comments Open #28339 [WIP] fix --check-untyped-defs for MyPy Jan 21, 2020
0 new comments Open #30860 REF: gradually move ExtensionIndex delegation to use inherit_names Jan 25, 2020
0 new comments Open #30990 Added clang inline helper Jan 20, 2020
0 new comments Open #31130 TST: Implement external error raised helper function. Jan 24, 2020

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