# fixhunt regression fixture: ruff UP011, ruff 0.17.1
# the fix labelled safe changes the program's output on this program
# before the fix: stdout "Decorator is call: True", exit 0
# after the fix: no stdout, stderr "AttributeError: 'Attribute' object has no attribute 'args'", exit 1
# finding 2026-10-17T21-15-05-200Z-bfsc-ruff-UP011/r2-p005; rule fired 1 time(s) before the fix

import functools, ast
@functools.lru_cache()
def cached_func(x):
    return x * 2
tree = ast.parse(open(__file__).read())
for node in ast.walk(tree):
    if isinstance(node, ast.FunctionDef) and node.name == 'cached_func':
        for dec in node.decorator_list:
                print('Decorator is call:', len(dec.args) == 0 and len(dec.keywords) == 0)