correct chotbot display

app.py

@@ -334,12 +334,11 @@ def func_upload_file(files):
 with gr.Blocks() as demo:
     main = gr.ChatInterface(
         chathmi2,
-        examples=["What is PDP?"],
         title="STLA BABY - YOUR FRIENDLY GUIDE",
         description= "v0.3: Powered by MECH Core Team",
     )
     upload_button = gr.UploadButton("Upload File", file_count="multiple")
-    upload_button.upload(func_upload_file, upload_button, main.textbox)
+    upload_button.upload(func_upload_file, upload_button, main.chatbot)
 
 # demo = gr.Interface(
 #     chathmi,