def fatal()

in scripts/utils.py [0:0]

• 5 lines of code
• 2 McCabe index (conditional complexity)

def fatal(msg: str, err: Exception | None = None) -> NoReturn:
    """Print error message on stderr and die."""
    print(msg, file=sys.stderr)
    if err:
        print(err, file=sys.stderr)
    sys.exit(1)