Documenting Login API on Swagger with flask RESTPlus

login_resource.py

from flask import request
from flask_restplus import Resource, marshal
from flask_jwt import jwt_required, current_identity

# Resquest body model to document on Swagger
login_request_body_model = Model('Login data model', {
    'username': fields.String(required=True, description='User\'s username'),
    'password': fields.String(required=True, description='User\'s password')
})

# User namespace used by flask RESTPlus
users_ns = api.namespace('Users', description='Operations related to users')
users_ns.models[login_request_body_model.name] = login_request_body_model

# Route /login
@users_ns.route('login')
class LoginUser(Resource):

    @classmethod
    @users_ns.doc('login')
    @users_ns.expect(login_request_body_model)
    def post(cls):
        """
        Login user
        """
        return jwt.request_handler()