def is_future_feature(object):
    # Guard from unexpected implementation changes of the __future__ module.
    global __future_check_works
    if __future_check_works is not None:
        if __future_check_works:
            import __future__
            return isinstance(object, __future__._Feature)
        else:
            return False
    else:
        __future_check_works = True
        try:
            return is_future_feature(object)
        except:
            __future_check_works = False
            log.warning("Troubles inspecting __future__. Python implementation"
                        " may have been changed.")
            return False
Given a list of resources, retrieve the quotas for the all tenants.
dataset/ETHPy150Open CollabQ/CollabQ/vendor/epydoc/docintrospecter.py/is_future_feature--crossover with--dataset/ETHPy150Open openstack/neutron/neutron/db/quota/driver.py/DbQuotaDriver.get_all_quotas