Update

app.py

@@ -156,12 +156,14 @@ with gr.Blocks(css='style.css') as demo:
                 label='Model ID for image captioning',
                 choices=[MODEL_ID_OPT_6_7B, MODEL_ID_FLAN_T5_XXL],
                 value=MODEL_ID_FLAN_T5_XXL,
-                interactive=False)
+                interactive=False,
+                visible=False)
             model_id_chat = gr.Dropdown(
                 label='Model ID for VQA',
                 choices=[MODEL_ID_OPT_6_7B, MODEL_ID_FLAN_T5_XXL],
                 value=MODEL_ID_FLAN_T5_XXL,
-                interactive=False)
+                interactive=False,
+                visible=False)
         sampling_method = gr.Radio(
             label='Text Decoding Method',
             choices=['Beam search', 'Nucleus sampling'],