Update Mimic4Dataset.py

Mimic4Dataset.py

@@ -845,7 +845,7 @@ class Mimic4Dataset(datasets.GeneratorBasedBuilder):
         features = datasets.Features(
             {
                 "label": datasets.ClassLabel(num_classes=2,names=["0", "1"]),
-                "onehot" : datasets.Array2D(shape=(1,None), dtype="float32"),
+                "onehot" : datasets.Sequence(datasets.Value("float32")),
             }
         )
         return datasets.DatasetInfo(
@@ -893,7 +893,7 @@ class Mimic4Dataset(datasets.GeneratorBasedBuilder):
             label = data['label']
             demo=demo.drop(['label'],axis=1)
             X= getXY(dyn_df,cond_df,demo,concat_cols,True)
-            X=X.to_numpy()
+            X=X.values.tolist()[0]
             yield int(i), {
                 "label": label,
                 "onehot": X,