Update app.py

app.py

@@ -5,6 +5,14 @@ import pickle
 from sentence_transformers import SentenceTransformer
 from transformers import AutoTokenizer, AutoModelForCausalLM
 
+
+# Check if precomputed files exist and run preprocessing if needed
+if not (os.path.exists("chunks.pkl") and os.path.exists("index.faiss")):
+    print("Precomputed files missing. Running preprocess.py...")
+    preprocess()
+else:
+    print("Precomputed files found. Skipping preprocessing.")
+
 # Load precomputed chunks and FAISS index
 print("Loading precomputed data...")
 with open("chunks.pkl", "rb") as f: