nl: can_delete for 'can_delete', min_num for 'min_num', max_num for 'max_num', absolute_max for 'absolute_max', validate_min for 'validate_min' for validate_max for 'validate_max'. create a class class which name is generated by converting 'FormSet' into a string and appending it to form.__name__,
code: return type ( form . __name__ + str ( 'FormSet' ) , ( formset , ) , attrs )