Update app.py

app.py

@@ -73,7 +73,7 @@ def make_me():
             gen_event = gen_button.click(gen_fn, [m, txt_input], o)
             stop_button.click(lambda s: gr.update(interactive=False), None, stop_button, cancels=[gen_event])
     with gr.Accordion('Model selection'):
-            model_choice = gr.CheckboxGroup(models, label=f' {num_models} different models selected', value=default_models,  max_batch_size=num_models, interactive=True, filterable=False)
+            model_choice = gr.CheckboxGroup(models, label=f' {num_models} different models selected', value=default_models,  multiselect=True,  interactive=True, filterable=False)
             model_choice.change(update_imgbox, model_choice, output)
             model_choice.change(extend_choices, model_choice, current_models)