def fetch_image(context, target, image_id, user_id, project_id, max_size=0):
    images.fetch_to_raw(context, image_id, target, user_id, project_id,
                        max_size=max_size)
overrode to get child resource if applicable
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/virt/libvirt/utils.py/fetch_image--crossover with--dataset/ETHPy150Open OrbitzWorldwide/droned/droned/services/remote_config.py/_ConfigResource.getChild