gh-138011: add note about instantiating MyClass with ( ) #138016
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Summary:
This PR adds a clarifying note to the class tutorial section.
x = MyClass
(without parentheses) does not create an instance.x.f()
in this case raisesTypeError: missing 1 required positional argument: 'self'
.x = MyClass()
.Related Issue
Addresses confusion reported in issue #138011.
Verification
make html
Screenshot
📚 Documentation preview 📚: https://cpython-previews--138016.org.readthedocs.build/