diff --git a/colossalai/auto_parallel/tensor_shard/deprecated/op_handler/where_handler.py b/colossalai/auto_parallel/tensor_shard/deprecated/op_handler/where_handler.py
index 6991e913d..e1d679b8e 100644
--- a/colossalai/auto_parallel/tensor_shard/deprecated/op_handler/where_handler.py
+++ b/colossalai/auto_parallel/tensor_shard/deprecated/op_handler/where_handler.py
@@ -6,10 +6,12 @@ from typing import Dict, List
 
 import torch
 
-from colossalai.auto_parallel.tensor_shard.deprecated._utils import (enumerate_all_possible_1d_sharding,
-                                                                     enumerate_all_possible_2d_sharding,
-                                                                     ignore_sharding_exception)
-from colossalai.auto_parallel.tensor_shard.deprecated.sharding_strategy import (ShardingStrategy, StrategiesVector)
+from colossalai.auto_parallel.tensor_shard.deprecated._utils import (
+    enumerate_all_possible_1d_sharding,
+    enumerate_all_possible_2d_sharding,
+    ignore_sharding_exception,
+)
+from colossalai.auto_parallel.tensor_shard.deprecated.sharding_strategy import ShardingStrategy, StrategiesVector
 from colossalai.tensor.shape_consistency import ShapeConsistencyManager
 from colossalai.tensor.sharding_spec import ShardingSpec