Add explicit imports in top level pandas init as precursor to PR #25940

[ryankarlos]

• closes #Remove pandas.io.stata from Typing Blacklist #25932
• tests added / passed
• passes git diff upstream/master -u -- "*.py" | flake8 --diff
• whatsnew entry

[ryankarlos]

@WillAyd So my understanding is that I need to import explicitly from top level pandas, to allow direct imports from pandas in stata module for those that were throwing errors in original issue #25932
I have just pushed some changes - let me know.

[codecov]

Codecov Report

Merging #26017 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #26017      +/-   ##
==========================================
- Coverage   91.82%   91.81%   -0.01%     
==========================================
  Files         175      175              
  Lines       52551    52551              
==========================================
- Hits        48256    48252       -4     
- Misses       4295     4299       +4

Flag	Coverage Δ
#multiple	90.38% <ø> (ø)	⬆️
#single	40.72% <ø> (-0.14%)	⬇️

Impacted Files	Coverage Δ
pandas/io/gbq.py	75% <0%> (-12.5%)	⬇️
pandas/core/frame.py	96.79% <0%> (-0.12%)	⬇️

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[codecov]

Codecov Report

Merging #26017 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #26017      +/-   ##
==========================================
- Coverage   91.82%   91.81%   -0.01%     
==========================================
  Files         175      175              
  Lines       52551    52551              
==========================================
- Hits        48256    48252       -4     
- Misses       4295     4299       +4

Flag	Coverage Δ
#multiple	90.38% <ø> (ø)	⬆️
#single	40.72% <ø> (-0.14%)	⬇️

Impacted Files	Coverage Δ
pandas/io/gbq.py	75% <0%> (-12.5%)	⬇️
pandas/core/frame.py	96.79% <0%> (-0.12%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update a1fee91...4721051. Read the comment docs.

[WillAyd]

The goal here would be to replace the wildcard imports. So instead of keeping the wildcard and duplicating this import you'd replace the former with explicit references to objects

[pep8speaks]

Hello @ryankarlos! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file pandas/__init__.py:

Line 59:80: E501 line too long (88 > 79 characters)

[ryankarlos]

Just closed this and opened a new PR #26019