Update wine.py

wine.py

@@ -92,7 +92,8 @@ class Wine(datasets.GeneratorBasedBuilder):
 
             yield row_id, data_row
 
-    def preprocess(self, data: pandas.DataFrame, config: str = "wine") -> pandas.DataFrame:
+    def preprocess(self, data: pandas.DataFrame, config: str = DEFAULT_CONFIG) -> pandas.DataFrame:
+        data.columns = _BASE_FEATURE_NAMES
         data.loc[data.is_red == "red", "color"] = 0
         data.loc[data.is_red == "white", "color"] = 1