def _is_warning(self, js):
        if not js:
            return False
        return 'warning' in js
Get storage URL.
dataset/ETHPy150Open ziirish/burp-ui/burpui/misc/backend/burp2.py/Burp._is_warning--crossover with--dataset/ETHPy150Open openstack/ironic/ironic/common/glance_service/v2/image_service.py/GlanceImageService._get_location