Set Accordion to open by default and remove label from checkbox group

app.py

@@ -292,10 +292,10 @@ with gr.Blocks() as demo_leaderboard:
                         label = "Model details"
                     else:
                         label = task_type.value
-                    with gr.Accordion(label, open=False, elem_classes="accordion"):
+                    with gr.Accordion(label, open=True, elem_classes="accordion"):
                         with gr.Row():
                             shown_column = gr.CheckboxGroup(
-                                label="Select columns to show",
+                                show_label=False,
                                 choices=[
                                     c.name
                                     for c in fields(AutoEvalColumn)