diff --git a/vllm_ascend/platform.py b/vllm_ascend/platform.py
index 5d5dcfca..4e2a35c9 100644
--- a/vllm_ascend/platform.py
+++ b/vllm_ascend/platform.py
@@ -395,14 +395,15 @@ class NPUPlatform(Platform):
             # For example: "page_size:1g" + ",expandable_segments:True".
             # NOTE: `max_split_size_mb` or `garbage_collection_threshold` cannot
             # be enabled together with `expandable_segments=True`.
-            if "expandable_segments" not in npu_alloc_configs and \
-                "max_split_size_mb" not in npu_alloc_configs and \
-                "garbage_collection_threshold" not in npu_alloc_configs:
+            if (
+                "expandable_segments" not in npu_alloc_configs
+                and "max_split_size_mb" not in npu_alloc_configs
+                and "garbage_collection_threshold" not in npu_alloc_configs
+            ):
                 npu_alloc_configs += ",expandable_segments:True"
             os.environ["PYTORCH_NPU_ALLOC_CONF"] = npu_alloc_configs
             logger.info("Set PYTORCH_NPU_ALLOC_CONF=%s", npu_alloc_configs)
 
-
     @classmethod
     def import_kernels(cls) -> None:
         # Directly importing vllm_ascend_C prevents ASCEND_RT_VISIBLE_DEVICES