Update app.py

app.py

@@ -41,7 +41,7 @@ with gr.Blocks(theme=theme) as demo:
         default='', 
         lines=10,  # Set the number of lines to display multiple documents
     )
-    submit_button.click(create_conversation, [msg, chatbot, collection_name], [msg, chatbot,source_document_textbox])
+    submit_button.click(create_conversation, [msg, chatbot, collection_name], [msg, chatbot])
     msg.submit(create_conversation, [msg, chatbot, collection_name], [msg, chatbot, source_document_textbox])   
     demo.launch()