Fix type annotation for pandas.core.indexes.base

[vaibhavhrt]

• closes Fix type annotations for pandas.core.indexes.base #26363
• tests passed
• passes git diff upstream/master -u -- "*.py" | flake8 --diff
• whatsnew entry

[codecov]

Codecov Report

Merging #26371 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master   #26371      +/-   ##
==========================================
- Coverage   91.68%   91.68%   -0.01%     
==========================================
  Files         174      174              
  Lines       50700    50701       +1     
==========================================
- Hits        46486    46483       -3     
- Misses       4214     4218       +4

Flag	Coverage Δ
#multiple	90.18% <100%> (ø)	⬆️
#single	41.17% <100%> (-0.18%)	⬇️

Impacted Files	Coverage Δ
pandas/core/indexes/base.py	96.72% <100%> (ø)	⬆️
pandas/io/gbq.py	78.94% <0%> (-10.53%)	⬇️
pandas/core/frame.py	97.01% <0%> (-0.12%)	⬇️

---

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[codecov]

Codecov Report

Merging #26371 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master   #26371      +/-   ##
==========================================
- Coverage   91.68%   91.67%   -0.01%     
==========================================
  Files         174      174              
  Lines       50703    50704       +1     
==========================================
- Hits        46488    46484       -4     
- Misses       4215     4220       +5

Flag	Coverage Δ
#multiple	90.18% <100%> (ø)	⬆️
#single	41.18% <100%> (-0.17%)	⬇️

Impacted Files	Coverage Δ
pandas/core/indexes/base.py	96.72% <100%> (ø)	⬆️
pandas/io/gbq.py	78.94% <0%> (-10.53%)	⬇️
pandas/core/frame.py	97.01% <0%> (-0.12%)	⬇️
pandas/util/testing.py	90.6% <0%> (-0.11%)	⬇️

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[WillAyd]

Looks like an isort error - can you fix up and merge master?

[vaibhavhrt]

There is an isort error in a file that I haven't even touched. Merging upstream/master should fix it.

[WillAyd]

Nice work @vaibhavhrt

[vaibhavhrt]

@WillAyd thanks.