Update app.py

app.py

@@ -4,7 +4,7 @@ import json
 from datetime import datetime, timedelta
 import uuid
 from typing import Dict
-
+import os
 from config import OPENAI_API_KEY, DB_PATH, EMBED_MODEL
 from utils import get_embedding, cosine_similarity, find_top_k_matches
 from scraper import scrape_workshops_from_squarespace