Use typing.Self and drop typing_extensions in automatic_differentiation - #15114
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`machine_learning/automatic_differentiation.py` was the only module importing `Self` from `typing_extensions`, behind a `# noqa: UP035`. Since the repo requires Python >=3.14, `typing.Self` (added in 3.11) is always available, so import it from the stdlib and drop the noqa. ### Describe your change: * [x] Add an algorithm? * [ ] Fix a bug or typo in an existing algorithm? * [ ] Add or change doctests? -- Note: Please avoid changing both code and tests in a single pull request. * [ ] Documentation change? ### Checklist: * [x] I have read [CONTRIBUTING.md](https://github.com/TheAlgorithms/Python/blob/master/CONTRIBUTING.md). * [x] This pull request is all my own work -- I have not plagiarized. * [x] I know that pull requests will not be merged if they fail the automated tests. * [x] This PR only changes one algorithm file. If not, please split into separate PRs. * [x] All new Python files are placed inside an existing directory. * [x] All filenames are in all lowercase characters with no spaces or dashes. * [x] All functions and variable names follow Python naming conventions. * [x] All function parameters and return values are annotated with Python type hints. * [x] All functions have doctests that pass the automated testing. * [x] All new algorithms include at least one URL that points to Wikipedia or another similar explanation.
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Re-opening the
automatic_differentiation.pychange from #15113 as its own PR (nouv.lock), per @cclauss's request.machine_learning/automatic_differentiation.pywas the only module importingSelffromtyping_extensions, behind a# noqa: UP035. Since the repo requires Python>=3.14,typing.Self(added in 3.11) is always available — so it now imports from the stdlib and the noqa is removed (UP035 stays enforced). Verified: 13 doctests pass,ruff checkclean.Describe your change:
Checklist: