code: def get_storage(request):
      
      storage_model = oauth2_settings.storage_model
      user_property = oauth2_settings.storage_model_user_property
      credentials_property = oauth2_settings.storage_model_credentials_property
  
      if storage_model:
          module_name, class_name = storage_model.rsplit('.', 1)
          module = importlib.import_module(module_name)
          storage_model_class = getattr(module, class_name)
          return storage.DjangoORMStorage(storage_model_class,
                                          user_property,
                                          request.user,
                                          credentials_property)
      else:
          # use session
          return dictionary_storage.DictionaryStorage(
              request.session, key=_CREDENTIALS_KEY)
docs: Gets a Credentials storage object provided by the Django OAuth2 Helper
      object.
  
      Args:
          request: Reference to the current request object.
  
      Returns:
         An :class:`oauth2.client.Storage` object.