fix: try using class label

zillow.py

@@ -256,7 +256,10 @@ class Zillow(datasets.GeneratorBasedBuilder):
                     "Region ID": datasets.Value(dtype="string", id="Region ID"),
                     "Size Rank": datasets.Value(dtype="int32", id="Size Rank"),
                     "Region": datasets.Value(dtype="string", id="Region"),
-                    "Region Type": datasets.Value(dtype="string", id="Region Type"),
+                    # "Region Type": datasets.Value(dtype="string", id="Region Type"),
+                    "Region Type": datasets.ClassLabel(
+                        num_classes=2, names=["country", "msa"]
+                    ),
                     "State": datasets.Value(dtype="string", id="State"),
                     "Home Type": datasets.Value(dtype="string", id="Home Type"),
                     "Date": datasets.Value(dtype="string", id="Date"),