# fixhunt regression fixture: ruff TC006, ruff 0.17.1
# the fix labelled safe changes the program's output on this program
# before the fix: no stdout, stderr "UnboundLocalError: cannot access local variable 'T' where it is not associated with a value", exit 1
# after the fix: no stdout, stderr "NameError: name 'x' is not defined", exit 1
# finding 2026-10-17T20-41-40-602Z-mapj-ruff-TC006/r1-p003; rule fired 1 time(s) before the fix

from typing import cast, List
def main():
    y = cast(T, x)  # Should be cast(str, x)
    T = list  # Now T is the lambda
    try:
        print('z:', z)
    except Exception as e:
        print('Error after redefinition:', type(e).__name__, str(e))
if __name__ == '__main__':
    main()