Update element_count.py

element_count.py

@@ -62,10 +62,7 @@ class ElementCount(evaluate.EvaluationModule):
             citation=_CITATION,
             inputs_description=_KWARGS_DESCRIPTION,
             # This defines the format of each prediction and reference
-            features=[
-                datasets.Features({'data': datasets.Value('int64')}),
-                datasets.Features({'data': datasets.Value('string')})
-                ],
+            features=datasets.Features({'data': datasets.Value('int64')}),
             # Homepage of the module for documentation
             homepage="http://module.homepage",
             # Additional links to the codebase or references