Update car.py

car.py

@@ -147,14 +147,14 @@ class Car(datasets.GeneratorBasedBuilder):
 
 			yield row_id, data_row
 	
-	def preprocess(self, data: pandas.DataFrame, config: str = DEFAULT_CONFIG) -> pandas.DataFrame:
+	def preprocess(self, data: pandas.DataFrame) -> pandas.DataFrame:
 		data.columns = _BASE_FEATURE_NAMES
 
 		for feature in _ENCODING_DICS:
 			encoding_function = partial(self.encode, feature)
 			data[feature] = data[feature].apply(encoding_function)
 
-		if config == "car_binary":
+		if self.config.name == "car_binary":
 			data["acceptability_level"] = data["acceptability_level"].apply(lambda x: 0 if x == 0 else 1)
 			print("mapping...\n\n")