docs: def from_raw_data(cls, item_raw):
          """Translate the raw item data from the DynamoDBConnection
          to the item object.
  
          """
          deserialized = {}
          for name, value in item_raw.items():
              attr = getattr(cls, name, None)
              if attr is None:
                  continue
              deserialized[name] = attr.decode(value)
          return cls(**deserialized)