Update app.py

app.py

@@ -11,6 +11,11 @@ from sentence_transformers import SentenceTransformer
 import faiss
 import numpy as np
 
+# Fix caching issue on Hugging Face Spaces
+os.environ["TRANSFORMERS_CACHE"] = "/tmp"
+os.environ["HF_HOME"] = "/tmp"
+os.environ["XDG_CACHE_HOME"] = "/tmp"
+
 app = Flask(__name__)
 CORS(app)  # ✅ Enable CORS for all routes