Update app.py

app.py

@@ -169,11 +169,10 @@ h1 {
 }
 """
 
-title=gr.Markdown("""
+title="""
 <h1>RAG demo</h1>
 <p style="text-align: center">Retrieval for web and documents</p>
 """
-)
 
 
 chatbot = gr.Chatbot(placeholder="Please send an URL or document file at first<br>Then ask question and get an answer.", height=800)
@@ -181,9 +180,9 @@ chatbot = gr.Chatbot(placeholder="Please send an URL or document file at first<b
 with gr.Blocks(theme="soft", css=css, fill_height="true") as demo:
     gr.ChatInterface(
         fn = infer,
-        title = title, 
+        title = title,
         multimodal = True,
-        chatbot=chatbot,
+        chatbot = chatbot,
     )
 
 if __name__ == "__main__":