Merge commit 'refs/pull/4741/head' of https://github.com/vllm-project/vllm-ascend into eplb_mix

Author: shenchuxiaofugui

vllm_ascend/eplb/core/policy/policy_factory.py

@@ -3,7 +3,7 @@
 from .policy_abstract import DynamicConfig, EplbPolicy
 from .policy_dynamic_ep import DynamicEplb
 from .policy_dynamic_ep_v2 import DynamicEplbV2
-from .policy_flashlb import FlashLB
+from .policy_flashlb import FlashLB, warm_up
 from .policy_random import RandomLoadBalance
 
 
@@ -29,5 +29,5 @@ def generate_policy(policy_type: int, config: DynamicConfig) -> EplbPolicy:
         policy_class = policy.get(policy_type, RandomLoadBalance)
         policy_instance = policy_class(config)
         if policy_type == 3:
-            policy_instance.warm_up()
-        return policy_instance
+            warm_up()
+        return policy_instance