DEPR: passing timedelta-like to DatetimeIndex constructor, xref #23675

[jbrockmendel]

Implements the agreed-upon portions of #23675 so we can keep moving the ball down the field.

• closes #xxxx
• tests added / passed
• passes git diff upstream/master -u -- "*.py" | flake8 --diff
• whatsnew entry

[pep8speaks]

Hello @jbrockmendel! Thanks for submitting the PR.

• There are no PEP8 issues in the file pandas/core/arrays/datetimes.py !

• There are no PEP8 issues in the file pandas/core/indexes/datetimes.py !

• There are no PEP8 issues in the file pandas/core/tools/datetimes.py !

• There are no PEP8 issues in the file pandas/tests/indexes/datetimes/test_construction.py !

[jreback]

lgtm. add to #6581 ping on green.

[codecov]

Codecov Report

Merging #23937 into master will decrease coverage by <.01%.
The diff coverage is 97.36%.

@@            Coverage Diff             @@
##           master   #23937      +/-   ##
==========================================
- Coverage   92.29%   92.29%   -0.01%     
==========================================
  Files         161      161              
  Lines       51501    51523      +22     
==========================================
+ Hits        47534    47554      +20     
- Misses       3967     3969       +2

Flag	Coverage Δ
#multiple	90.69% <97.36%> (ø)	⬆️
#single	42.43% <76.31%> (+0.01%)	⬆️

Impacted Files	Coverage Δ
pandas/core/indexes/datetimes.py	96.18% <100%> (-0.02%)	⬇️
pandas/core/tools/datetimes.py	85.44% <100%> (+0.18%)	⬆️
pandas/core/arrays/datetimes.py	98.37% <95.23%> (-0.14%)	⬇️
pandas/core/ops.py	94.14% <0%> (-0.14%)	⬇️

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[jbrockmendel]

azure failure is Hypothesis. de-facto green ping

[jreback]

thanks. do we need to simply raise the timeout on hypthossis?

[jbrockmendel]

do we need to simply raise the timeout on hypthossis?

I think I saw a PR for that recently. Didn't look at it too closely. If I'm going to spend time on one minor annoyance today, it'll be the dateutil DeprecationWarning.