Update app.py

app.py

@@ -366,7 +366,7 @@ def evaluate_audio(gt_file, pred_file, metric_config, include_timestamps=False):
                 
                 # Format results as DataFrame
                 if results:
-                    results_df = pd.DataFrame(results)
+                    results_df = pd.DataFrame([results])
                     return results_df, json.dumps(results, indent=2)
                 else:
                     return None, "Evaluation completed but no results were generated."