Update app.py

app.py

@@ -7,7 +7,7 @@ from rank_bm25 import BM25Okapi
 from sentence_transformers import SentenceTransformer
 import json
 
-with open("data.json", "r", encoding="utf-8") as f:
+with open("/app/data.json", "r", encoding="utf-8") as f:
     data = json.load(f)
 
 @dataclass