Update app.py

app.py

@@ -24,7 +24,7 @@ gr.close_all()
 
 demo = gr.Interface(fn = invoke, 
                     inputs = [gr.Textbox(label = "OpenAI API Key", type = "password", lines = 1),
-                              gr.Textbox(label = "Topic", value="Agentic RAG", lines = 1)]
+                              gr.Textbox(label = "Topic", value="Agentic RAG", lines = 1)],
                     outputs = [gr.Textbox(label = "Output", lines = 1)],
                     title = "Agentic RAG: Research Write Article",
                     description = description)