Fix examples in Gradio widget initialization

app.py

@@ -56,7 +56,7 @@ def launch_gradio_widget(metric, test_cases):
         title=f"Metric: {metric.name}",
         article=parse_readme(local_path / "README.md"),
         # TODO: load test cases and use them to populate examples
-        examples=[[parse_test_cases(test_cases, feature_names, gradio_input_types)]],
+        examples=[parse_test_cases(test_cases, feature_names, gradio_input_types)],
     )
 
     iface.launch()