def v6_int_to_packed(address):
    try:
        return _compat_to_bytes(address, 16, 'big')
    except (struct.error, OverflowError):
        raise ValueError("Address negative or too large for IPv6")
testing if the extender will work properly with class methods
dataset/ETHPy150Open anzev/hedwig/build/pip/pip/_vendor/ipaddress.py/v6_int_to_packed--crossover with--dataset/ETHPy150Open eoyilmaz/anima/tests/extension/__init__.py/ExtenderTester.test_extends_is_working_fine_for_classes