def METHOD_NAME(rule_runner: RuleRunner) -> None:
    rule_runner.write_files(
        {"good.py": PY_36_GOOD_FILE, "bad.py": PY_36_BAD_FILE, "BUILD": "python_sources(name='t')"}
    )
    tgts = [
        rule_runner.get_target(Address("", target_name="t", relative_file_path="good.py")),
        rule_runner.get_target(Address("", target_name="t", relative_file_path="bad.py")),
    ]
    fix_result = run_pyupgrade(rule_runner, tgts)
    assert fix_result.output == rule_runner.make_snapshot(
        {"good.py": PY_36_GOOD_FILE, "bad.py": PY_36_FIXED_BAD_FILE}
    )
    assert fix_result.did_change is True