Update how mock classes alias to Any #3182
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> First, the z: Any situation looks like a bug or accidental feature to me. This is definitely meant (and works) as a variable declaration; that it also allows using z as a type seems wrong. I can't find any evidence in PEP 484 that this was intended; in mypy it's likely the accidental result of other design choices meant to shut up errors about Any. Ideally these classes could be declared as empty class stubs, but since the comments suggest this isn't possible yet, let's update these to be type aliases to Any rather than global variables of type Any. This would avoid invalid type errors when the implementation of type checkers respect the intention that `z: Any` does not make `z` a valid type.
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You probably also need to change |
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Thanks for the catch! Anything else I can do to get this reviewed? |
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Oops I forgot about this, sorry for that. |
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Ideally these classes could be declared as empty class stubs, but since the comments suggest this isn't possible yet, let's update these to be type aliases to Any rather than global variables of type Any. This would avoid invalid type errors when the implementation of type checkers respect the intention that
z: Anydoes not makeza valid type.