from flask_restful import reqparse

def retornar_parser():
    parser = reqparse.RequestParser()
    parser.add_argument('sentenca', type=str, required=True)    
    return parser

[((4, 13, 4, 37), 'flask_restful.reqparse.RequestParser', 'reqparse.RequestParser', ({}, {}), '()', False, 'from flask_restful import reqparse\n')]