Update wine.py

wine.py

@@ -93,10 +93,12 @@ class Wine(datasets.GeneratorBasedBuilder):
             yield row_id, data_row
 
     def preprocess(self, data: pandas.DataFrame, config: str = DEFAULT_CONFIG) -> pandas.DataFrame:
+        print(data.head())
         data = data.rename(columns={"color": "is_red"})
+        print(data.head())
         data.loc[data.is_red == "red", "color"] = 0
         data.loc[data.is_red == "white", "color"] = 1
-        print(data.head())
+        
         data.columns = _BASE_FEATURE_NAMES
         
         return data