def _generate_union_class_repr(self, data_type):
self.emit('<STR_LIT>')<EOL>with self.indent():<EOL><INDENT>self.emit("<STR_LIT>".format(<EOL>class_name_for_data_type(data_type),<EOL>))<EOL><DEDENT>self.emit()<EOL>
The __repr__() function will return a string of the class name, and
the selected tag.