fix precommit checks

Author: ravinkohli

autoPyTorch/api/tabular_classification.py

@@ -13,7 +13,6 @@
 from autoPyTorch.data.tabular_validator import TabularInputValidator
 from autoPyTorch.datasets.base_dataset import BaseDatasetPropertiesType
 from autoPyTorch.datasets.resampling_strategy import (
-    CrossValTypes,
     HoldoutValTypes,
     ResamplingStrategies,
 )

autoPyTorch/api/tabular_regression.py

@@ -13,7 +13,6 @@
 from autoPyTorch.data.tabular_validator import TabularInputValidator
 from autoPyTorch.datasets.base_dataset import BaseDatasetPropertiesType
 from autoPyTorch.datasets.resampling_strategy import (
-    CrossValTypes,
     HoldoutValTypes,
     ResamplingStrategies,
 )

autoPyTorch/data/tabular_feature_validator.py

@@ -277,7 +277,7 @@ def transform(
         if len(self.categorical_columns) > 0:
             if self.column_transformer is None:
                 raise AttributeError("Expect column transformer to be built"
-                                        "if there are categorical columns")
+                                     "if there are categorical columns")
             categorical_columns = self.column_transformer.transformers_[0][-1]
             for column in categorical_columns:
                 if X[column].isna().all():