import requests
from bs4 import BeautifulSoup

from pymongo import MongoClient
client = MongoClient('mongodb+srv://exam:1234@cluster0.fu9cuda.mongodb.net/Cluster0?retryWrites=true&w=majority')
db = client.dbsparta

# URL을 읽어서 HTML를 받아오고,
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('https://movie.naver.com/movie/sdb/rank/rmovie.naver?sel=pnt&date=20210829', headers=headers)

# HTML을 BeautifulSoup이라는 라이브러리를 활용해 검색하기 용이한 상태로 만듦
soup = BeautifulSoup(data.text, 'html.parser')

# select를 이용해서, tr들을 불러오기
movies = soup.select('#old_content > table > tbody > tr')

# movies (tr들) 의 반복문을 돌리기
for movie in movies:
    a_tag = movie.select_one('td.title > div > a')
    if a_tag is not None:
        rank = movie.select_one('td:nth-child(1) > img')['alt']
        title = a_tag.text
        star = movie.select_one('td.point').text
        doc={
            'rank':rank,
            'title':title,
            'star':star
        }
        db.movies.insert_one(doc)

똑같이 쳤는데 어디가 문제인걸까요?