a

my_metricv2.py

@@ -73,10 +73,10 @@ class MyMetricv2(evaluate.Metric):
             # This defines the format of each prediction and reference
             features=datasets.Features({
                 "predictions": [
-                    datasets.Value("float32")
+                    [datasets.Value("float32"), datasets.Value("float32"), datasets.Value("float32"), datasets.Value("float32")]
                 ],
                 "references": [
-                    datasets.Value("float32")
+                    [datasets.Value("float32"), datasets.Value("float32"), datasets.Value("float32"), datasets.Value("float32")]
                 ],
             }),
             # Homepage of the module for documentation