전질문 과동일한 오류가나오길레 certifi 다운받고 다시한번실행을해도 실행되질않습니다

도움부탁드려용

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

import requests
from bs4 import BeautifulSoup

ca = certifi.where()
from pymongo import MongoClient
client = MongoClient('mongodb+srv://test:sparta@cluster0.im2ccmy.mongodb.net/Cluster0?retryWrites=true&w=majority', tlsCAFile=ca)
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')

    # 여기에 코딩을 해서 meta tag를 먼저 가져와보겠습니다.

    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)

    return jsonify({'msg':'저장완료!'})

@app.route("/movie", methods=["GET"])
def movie_get():
    return jsonify({'msg':'GET 연결 완료!'})

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

/Users/yuyeongjae/Desktop/sparta/project/movie/venv/bin/python /Users/yuyeongjae/Desktop/sparta/project/movie/app.py 

Traceback (most recent call last):

 File "/Users/yuyeongjae/Desktop/sparta/project/movie/app.py", line 1, in <module>

  from flask import Flask, render_template, request, jsonify, certifi

ImportError: cannot import name 'certifi' from 'flask' (/Users/yuyeongjae/Desktop/sparta/project/movie/venv/lib/python3.8/site-packages/flask/__init__.py)

종료 코드 1(으)로 완료된 프로세스