add features

scico.py

@@ -28,6 +28,20 @@ class Scico(datasets.GeneratorBasedBuilder):
         return datasets.DatasetInfo(
                 description=_DESCRIPTION,
                 homepage="https://scico.apps.allenai.org/",
+                features=datasets.Features(
+                    {
+                        "flatten_tokens": list,
+                        "flatten_mentions": list,
+                        "tokens": list,
+                        "doc_ids": list,
+                        "metadata": list,
+                        "sentences": list,
+                        "mentions": list,
+                        "relations": list,
+                        "id": datasets.Value("int32"),
+                        "source": datasets.Value("string")
+                    }
+                ),
                 citation = _CITATION)