from __future__ import unicode_literals from mayan.apps.storage.utils import get_storage_subclass from .settings import ( setting_staging_file_image_cache_storage, setting_staging_file_image_cache_storage_arguments, ) storage_staging_file_image_cache = get_storage_subclass( dotted_path=setting_staging_file_image_cache_storage.value )(**setting_staging_file_image_cache_storage_arguments.value)