def __init__(self, db_driver=None, image_service=None):
    self.image_service = (image_service or glance.get_default_image_service())
    super(API, self).__init__(db_driver)
def __init__(self, db_driver=None, image_service=None):
    self.image_service = (image_service or glance.get_default_image_service())
    super(API, self).__init__(db_driver)