Update app.py

app.py

@@ -34,12 +34,14 @@ def llm_response(history, text, img):
     if not img:
         response = txt_model.generate_content(text)
         history += [(None, response.text)]
-        return history
     else:
         img = PIL.Image.open(img)
         response = vis_model.generate_content([text, img])
         history += [(None, response.text)]
-        return history
+
+    text = ''
+    img = None
+    return history, text, img
 
 # Interface Code
 with gr.Blocks(theme=gr.themes.Default()) as app:
@@ -61,7 +63,7 @@ with gr.Blocks(theme=gr.themes.Default()) as app:
                         [chatbot, text_box, image_box],
                         chatbot).then(llm_response,
                         [chatbot, text_box, image_box],
-                        chatbot)
+                        [chatbot, text_box, image_box])
     
 app.queue()
 app.launch()