Update app.py

app.py

@@ -168,7 +168,7 @@ def memory_augmented_retrieval(query):
             stored_size, stored_results = stored_data
             print("🔹 Retrieved from memory store.")
             return {stored_size: stored_results}
-        else
+        else:
             return None
 
 # Hybrid search with Memomry Augumented Retrievel