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## Summary Fix some issues with subtying/assignability for instances vs callables. We need to look up dunders on the class, not the instance, and we should limit our logic here to delegating to the type of `__call__`, so it doesn't get out of sync with the calls we allow. Also, we were just entirely missing assignability handling for `__call__` implemented as anything other than a normal bound method (though we had it for subtyping.) A first step towards considering what else we want to change in https://github.com/astral-sh/ty/issues/491 ## Test Plan mdtests --------- Co-authored-by: med <medioqrity@gmail.com> Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Markdown files within the mdtest/ subdirectory are tests of type inference and type checking;
executed by the tests/mdtest.rs integration test.
See crates/ty_test/README.md for documentation of this test format.