Update app.py

app.py

@@ -49,8 +49,9 @@ def create_qa_system():
             llm=llm,
             chain_type="stuff",
             retriever=db.as_retriever(search_kwargs={"k": 1})
+        )  # Closing parenthesis added here
     except Exception as e:
-        raise gr.Error(f"Setup failed: {str(e)}"))
+        raise gr.Error(f"Setup failed: {str(e)}")
 
 # 3. Initialize system
 try: