[3.10] bpo-45250: fix docs regarding __iter__ and iterators being inconsistently required by CPython (GH-29170)
#29650
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…nconsistently required by CPython (pythonGH-29170) It is now considered a historical accident that e.g. `for` loops and the `iter()` built-in function do not require the iterators they work with to define `__iter__`, only `__next__`. (cherry picked from commit be36e06) Co-authored-by: Brett Cannon <brett@python.org>
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It is now considered a historical accident that e.g.
forloops and theiter()built-in function do not require the iterators they work with to define__iter__, only__next__.(cherry picked from commit be36e06)
Co-authored-by: Brett Cannon brett@python.org
https://bugs.python.org/issue45250
Automerge-Triggered-By: GH:brettcannon