## Summary Model assignability of class instances with a `__call__` method to `Callable` types. This should solve some false positives related to `functools.partial` (yes, 1098 fewer diagnostics!). Reference: https://github.com/astral-sh/ruff/issues/17343#issuecomment-2824618483 ## Test Plan New Markdown tests.
Markdown files within the mdtest/ subdirectory are tests of type inference and type checking;
executed by the tests/mdtest.rs integration test.
See crates/red_knot_test/README.md for documentation of this test format.