Pyrefly gets the return type of type guard functions wrong in assert_type #2187
Description
Describe the Bug
See:
from typing import TypeIs, assert_type
def f(x: int) -> TypeIs[bool]:
return isinstance(x, bool)
assert_type(f(0), bool) # assert_type(TypeIs[bool], bool) failed
Sandbox Link
(Only applicable for extension issues) IDE Information
No response