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

from pymongo import MongoClient
import certifi

ca = certifi.where()

client = MongoClient('mongodb+srv://test:sparta@cluster0.hyipra2.mongodb.net/Cluster0?retryWrites=true&w=majority', tlsCAFile=ca)
db = client.dbsparta

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

@app.route("/bucket", methods=["POST"])
def bucket_post():
    bucket_receive = request.form["bucket_give"]

    bucket_list = list(db.bucket.find({}, {'_id': False})).count()
    count = len(bucket_list) + 1

    doc = {
        'num': count,
        'bucket': bucket_receive,
        'done': 0
    }

    db.bucket.insert_one(doc)
    return jsonify({'msg': '등록 완료!'})

@app.route("/bucket/done", methods=["POST"])
def bucket_done():
    sample_receive = request.form['sample_give']

    return jsonify({'msg': 'POST(완료) 연결 완료!'})

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

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
















오류는 이렇게 뜨네요

"C:\Users\show5\OneDrive\바탕 화면\sparta\projects\bucket\venv\Scripts\python.exe" "C:/Users/show5/OneDrive/바탕 화면/sparta/projects/bucket/app.py"
Traceback (most recent call last):
  File "C:/Users/show5/OneDrive/바탕 화면/sparta/projects/bucket/app.py", line 5, in <module>
    import certifi
ModuleNotFoundError: No module named 'certifi'


종료 코드 1(으)로 완료된 프로세스