change output type

app.py

@@ -21,7 +21,7 @@ local_path = Path(sys.path[0])
 
 default_value = pl.DataFrame({
     'predictions': ['0.82,0.95,0.6,0.14,0.15,0.70', '0.67,0.31,0.01,0.60,0.44,0.51', '0.57,0.06,0.69,0.07,0.96,0.72'],
-    'references': ['1', '3', '4']
+    'references': ['1', '3', '1']
 })
 
 iface = gr.Interface(

top5_error_rate.py

@@ -77,6 +77,6 @@ class Top5ErrorRate(evaluate.Metric):
         top5_error_rate = 1 - correct.mean()
 
         return {
-            "accuracy": acc,
-            "top5_error_rate": top5_error_rate
+            "accuracy": float(acc),
+            "top5_error_rate": float(top5_error_rate)
         }