Invoice #156226 to pandas

4 Hours. Continued working on issue #9586 under the mentorship of Marco Gorelli. Corrected definitions of is_monthly, is_subperiod, _maybe_coerce_freq and test_period_ordinal_start_values. Resolved 62 failures in tests.

4 Hours. Made PR #53993: added a test to check dtype after replacing values in categorical Series inplace (closed issue #53358).

4 Hours. Opened PR #54014 (issue #50887) correct the definition of _return_parsed_timezone_results, added a test, fix tests.

4 Hours. Worked on PR #54014: corrected the definition of array_to_datetime, resolved failures in tests.

4 Hours. Worked on PR #54014: corrected the definition of _array_to_datetime_object . Added a test and corrected an example in whatsnew/v0.24.0.rst. Fixed 2 errors in docs, and pylint failures.

4 Hours. Worked on issue #9586: updated docstring for to_datetime, corrected an example in whatsnew/v0.24.0.rst. Opened PR #54061: deprecated codes T and L in _attrname_to_abbrevs/_abbrev_to_attrnames, fixed 3 tests, added a test.

4 Hours. Made PR #54079: corrected docstring for to_datetime. Pointed out, that the parameter format has no effect for DataFrame and in this case the column "year" must be specified in 4-digit format.

4 Hours. Made PR #54100: corrected documentation for to_json: point out the limitation of precision while doing serialization. Worked on PR #52064: added an example in whatsnew/v2.1.0.rst and resolved 214 failures in tests.

4 Hours. Worked on PR #52064 corrected is_superperiod, refactored tests and moved misplaced tests. Worked on PR #54014: refactored tests.

4 Hours. 4 Hours. Worked on PR #54061: Corrected definitions of _offset_to_period_map, is_subperiod, is_superperiod, get_freq, and resolved 268 failures in tests.

4 Hours. Worked on PR #54061 : replaced T/ L with min/ ms. Corrected definitions of _round_temporally, to_timedelta, resolved failures in tests.

4 Hours. Worked on PR #54061 : corrected the definition of freq_sample, resolved failures in tests. Worked on PR #54014: added an example to whatsnew/v2.1.0.rst. Made PR #54183: add test with freq=2M to increase coverage asfreq.

4 Hours. Worked on issue #9586: corrected the definition of _shift_with_freq and resolved failures in test for shift.

4 Hours. Made PR #54211 related to issue #9586: added a test with freq=1MS to increase coverage of shift.

4 Hours. Worked on PR #54014 correct def _array_to_datetime_object and fix test for read_json. Worked on PR #54061: corrected def _maybe_coerce_freq , is_subperiod, is_superperiod, and dict _offset_to_period_map.

4 Hours. Worked on PR #54061: resolved 62 failures in tests. Made PR #54238 : corrected class YearEnd, dict OFFSET_TO_PERIOD_FREQSTR, added the dictionary with deprecated frequencies, corrected the definition of to_offset.

4 Hours. Worked on issue #9586: resolved tests. Worked on PR #54014: fixed 1 test. Made PR #54245: added tests on mixed offsets to increase coverage of read_csv, added a parser to the test.

4 Hours. Worked on PR #54014: corrected definition of converter. Worked on PR #54061: corrected docstrings.

4 Hours. Opened an issue #54275: DEPR: deprecate the alias 'A' in favour of 'Y' for year end frequency. Worked on PR #54061: fixed tests, resolved failures in benchmarks. Resolved conflict in whatsnew/v2.1.0.rst in pr #52064.

4 Hours. Worked on PR #54061: corrected definitions of _offset_to_period_map, _lite_rule_alias, and classes Micro, Nano. Resolved 19 failures in tests. Made PR #54287: added a test for interchanging from non-pandas tz-aware data.

4 Hours. Worked on PR #54061: corrected _maybe_coerce_freq, get_freq. Resolved 209 failures in tests. Worked on PR #54287: fixed bug during interchanging from non-pandas tz-aware data.