@assure_image
    def list_image_members(self, img):
        return img.list_members()
Turn Exported* protos with embedded metadata into a nested dict.
dataset/ETHPy150Open rackspace/pyrax/pyrax/image.py/ImageClient.list_image_members--crossover with--dataset/ETHPy150Open google/grr/grr/lib/output_plugins/bigquery_plugin.py/BigQueryOutputPlugin._GetNestedDict