def _string(self):
        """:return: the string from a :class:`io.StringIO`"""
        file = StringIO()
        self.__dump_to_file(file)
        file.seek(0)
        return file.read()
def _string(self):
        """:return: the string from a :class:`io.StringIO`"""
        file = StringIO()
        self.__dump_to_file(file)
        file.seek(0)
        return file.read()
:return: the string from a :class:`io.StringIO`