Use from __future__ import annotations instead of string type hints in python/pydantic_core/_pydantic_core.pyi

[adriangb]

Selected Reviewer: @davidhewitt

[adriangb]

please review

[codspeed-hq]

CodSpeed Performance Report

Merging #710 unstringify-stubs (8c7f0be) will improve performances by 11.61%.

Summary

🔥 1 improvements
❌ 0 regressions
✅ 124 untouched benchmarks

🆕 0 new benchmarks
⁉️ 0 dropped benchmarks

Benchmarks breakdown

	Benchmark	main	unstringify-stubs	Change
🔥	test_set_of_ints_core_json_duplicates	5.4 ms	4.8 ms	+11.61%

[adriangb]

@samuelcolvin @davidhewitt something seems to be wrong with the benchmarks now, this PR should not be changing any performance. I've rebased it onto 703b7b2 so it shouldn't be a base issue.

[davidhewitt]

This particular benchmark has been flipping up and down for a while. I'm not sure of the exact reason for it, whether the optimizer or LTO is introducing some randomness or codspeed's measurement has some volatility.

[davidhewitt]

One thought I have is that using PGO i.e. #678 might help the optimizer always hit the good code path and thus avoid the randomness.

[davidhewitt]

The lint error should be fixed by #711

[davidhewitt]

I double-checked the docs build after this change, looks good 👍

[adriangb]

Seems like your approval won’t cut it, I guess we need to add you to CODEOWNERS or something

[adriangb]

Nope it was the lint error

[davidhewitt]

Rebased, let's see if it goes in now.

[codecov-commenter]

Codecov Report

Merging #710 (8c7f0be) into main (54daab7) will not change coverage.
The diff coverage is n/a.

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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #710   +/-   ##
=======================================
  Coverage   93.71%   93.71%           
=======================================
  Files          99       99           
  Lines       13838    13838           
  Branches       25       25           
=======================================
  Hits        12968    12968           
  Misses        864      864           
  Partials        6        6           

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