Title of the object.

        This schema element is purely informative.

def title(self):
        """
        Title of the object.

        This schema element is purely informative.
        """
        value = self._schema.get("title", None)
        if value is None:
            return
        if not isinstance(value, basestring):
            raise SchemaError(
                "title value {0!r} is not a string".format(value))
        return value