added handling of multilabel

jaccard_similarity.py

@@ -77,10 +77,17 @@ class JaccardSimilarity(evaluate.Metric):
             description=_DESCRIPTION,
             citation=_CITATION,
             inputs_description=_KWARGS_DESCRIPTION,
-            features=datasets.Features({
-                'predictions': datasets.Sequence(datasets.Value('int32')),
-                'references': datasets.Sequence(datasets.Value('int32')),
-            }),
+            features=datasets.Features(
+                {
+                    "predictions": datasets.Sequence(datasets.Value("int32")),
+                    "references": datasets.Sequence(datasets.Value("int32")),
+                }
+                if self.config_name == "multilabel"
+                else {
+                    "predictions": datasets.Value("int32"),
+                    "references": datasets.Value("int32"),
+                }
+            ),
             reference_urls=[
                 "https://scikit-learn.org/stable/modules/generated/sklearn.metrics.jaccard_score.html",
                 "https://en.wikipedia.org/wiki/Jaccard_index"