선생님 코딩 따라해 봤고 입력했는데 url localhost:5000이 또 오류가 나네요. 그리고 app.py에 빨간 물결줄이 뜨네요

<app.py>

from flask import Flask, render_template, request, jsonify
app = Flask(__name__)

import requests
from bs4 import BeautifulSoup

from pymongo import MongoClient
client = MongoClient('mongodb+srv://text:sparta@cluster0.mu82sz1.mongodb.net/?retryWrites=true&w=majority')
db = client.dbsparta

@app.route('/')
def home():
   return render_template('index.html')

@app.route("/movie", methods=["POST"])
def movie_post():
    url_receive = request.form['url_give']
    star_receive = request.form['star_give']
    comment_receive = request.form['comment_give']

    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64)AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36'}
    data = requests.get(url_receive, headers=headers)

    soup = BeautifulSoup(data.text, 'html.parser')

    title = soup.select_one('meta[property="og:title"]')['content']
    image = soup.select_one('meta[property="og:image"]')['content']
    desc = soup.select_one('meta[property="og:description"]')['content']

    doc = {
        'title': title,
        'image': image,
        'desc': desc,
        'star': star_receive
        'comment': comment_receive

    }
    db.movies.insert_one(doc)
@app.route("/movie", methods=["GET"])
def movie_get():
    return jsonify({'msg':'저장완료!'})

if __name__ == '__main__':
   app.run('0.0.0.0', port=5000, debug=True)