Update wine.py

wine.py

@@ -96,7 +96,7 @@ class Wine(datasets.GeneratorBasedBuilder):
         data = data.rename(columns={"color": "is_red"})
         data.loc[data.is_red == "red", "color"] = 0
         data.loc[data.is_red == "white", "color"] = 1
-        print(data.columns)
+        print(data.head())
         data.columns = _BASE_FEATURE_NAMES
         
         return data