def is_subclass_at_all(cls, class_info):
    try:
        return issubclass(cls, class_info)
    except TypeError:
        return False
execute a function, when provided
dataset/ETHPy150Open django-nose/django-nose/django_nose/utils.py/is_subclass_at_all--crossover with--dataset/ETHPy150Open appcelerator-archive/poc-nodejs-desktop/Resources/nodejs/builds/linux/node/lib/node/wafadmin/Tools/config_c.py/ret_msg