Update app.py

app.py

@@ -251,14 +251,14 @@ with gr.Blocks(theme=green_theme, js=js_func, css=css) as block:
 
     state = gr.State([])
 
-    message = gr.Textbox(
+    message = gr.MultimodalTextbox(
         interactive=True,
+        file_count="multiple",
         placeholder="Type a message",
         label="",
         elem_classes="custom-textbox",
         scale=3,
-        show_label=False
-    )
+        show_label=False)
 
     message.submit(
         message_and_history,