Update gradio_app.py

gradio_app.py

@@ -337,6 +337,8 @@ if __name__=="__main__":
                     if mvimg_model == 'ImageDream':
                         # input prompt
                         text = gr.Textbox(label="Prompt (Opt.)", info="only works for ImageDream")
+                    else:
+                        text = gr.Textbox(label="Prompt (Opt.)", visible=False)
 
                 with gr.Accordion('Advanced options', open=False):
                     # negative prompt