code: def get_user(
          self, identified_with, identifier, req, resp, resource, uri_kwargs
      ):
          
          stored_value = self.kv_store.get(
              self._get_storage_key(identified_with, identifier)
          )
          if stored_value is not None:
              user = self.serialization.loads(stored_value.decode())
          else:
              user = None
  
          return user
docs: Get user object for given identifier.
  
          Args:
              identified_with (object): authentication middleware used
                  to identify the user.
              identifier: middleware specifix user identifier (string or tuple
                  in case of all built in authentication middleware classes).
  
          Returns:
              dict: user object stored in Redis if it exists, otherwise ``None``