Bug Report

Functions that evaluate iterators (like any) don't disqualify a value from being of another type if there's a function that never returns (like sys.exit).

To Reproduce

https://mypy-play.net/?mypy=latest&python=3.11&gist=bf0b47681fdf97d19050eff3473d03f6

Actual Behavior

main.py:16: error: Argument 1 to "some_function" has incompatible type "int | None"; expected "int"  [arg-type]
Found 1 error in 1 file (checked 1 source file)

Your Environment

• Mypy version used: 1.4.1
• Mypy command-line flags: none
• Mypy configuration options from mypy.ini (and other config files): defaults
• Python version used: 3.11