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gh-113212: Improve error message & document zero-arg super inside nested functions and generator expressions (GH-113307)

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Yan Yanchii 2023-12-22 16:12:08 +01:00 • committed by GitHub
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7
Doc/library/functions.rst
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@ -1800,6 +1800,13 @@ are always available. They are listed here in alphabetical order.
the second argument is a type, ``issubclass(type2, type)`` must be true (this
is useful for classmethods).
When called directly within an ordinary method of a class, both arguments may
be omitted ("zero-argument :func:`!super`"). In this case, *type* will be the
enclosing class, and *obj* will be the first argument of the immediately
enclosing function (typically ``self``). (This means that zero-argument
:func:`!super` will not work as expected within nested functions, including
generator expressions, which implicitly create nested functions.)
There are two typical use cases for *super*. In a class hierarchy with
single inheritance, *super* can be used to refer to parent classes without
naming them explicitly, thus making the code more maintainable. This use