Enable mypy.plugins.proper_plugin
#2333
Merged
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Refs: https://mypy.readthedocs.io/en/stable/extending_mypy.html#useful-tools
This resulted in quite a lot of changes.. I think there are multiple places in our plugin functions where we should use
ProperType
as return type instead ofMypyType
(our alias formypy.types.Type
), which could perhaps remove a couple ofget_proper_type
.Not at all sure how much impact this could have, if any.