Code change

my_metric.py

@@ -56,18 +56,16 @@ _CITATION = """
 
 
 @evaluate.utils.file_utils.add_start_docstrings(_DESCRIPTION, _KWARGS_DESCRIPTION)
-class my_metric(evaluate.Metric):
+class my_metric(evaluate.Measurement):
     def _info(self):
         return evaluate.MetricInfo(
             description=_DESCRIPTION,
             citation=_CITATION,
             inputs_description=_KWARGS_DESCRIPTION,
-            features=datasets.Features(
-
+            features=datasets.Features({
                 "generated_smiles": datasets.Value("string"),
-                "train_smiles": datasets.Value("string"),
-            
-            ),
+                "train_smiles": datasets.Value("string"),            
+            }),
                 
             reference_urls=["https://github.com/molecularsets/moses", "https://tdcommons.ai/functions/oracles/"],
         )