Terminei sem erros

app/app.py

@@ -1,4 +1,4 @@
-from flask import Flask, request, jsonify, send_from_directory
+from flask import Flask, request, jsonify, send_file
 from flask_cors import CORS
 from pymongo import MongoClient
 from datetime import datetime, timedelta
@@ -12,7 +12,6 @@ import os
 from bson import ObjectId
 import json
 
-WEB_DIR = '../web'
 app = Flask(__name__)
 CORS(app)