[Core] Move ray_utils.py from engine to executor package (#4347)

vllm/transformers_utils/tokenizer_group/__init__.py

@@ -1,7 +1,7 @@
 from typing import Optional
 
 from vllm.config import TokenizerPoolConfig
-from vllm.engine.ray_utils import ray
+from vllm.executor.ray_utils import ray
 from vllm.transformers_utils.tokenizer_group.base_tokenizer_group import (
     BaseTokenizerGroup)
 from vllm.transformers_utils.tokenizer_group.tokenizer_group import (

vllm/transformers_utils/tokenizer_group/ray_tokenizer_group.py

@@ -6,7 +6,7 @@ from ray.util.scheduling_strategies import NodeAffinitySchedulingStrategy
 from transformers import PreTrainedTokenizer
 
 from vllm.config import TokenizerPoolConfig
-from vllm.engine.ray_utils import ray
+from vllm.executor.ray_utils import ray
 from vllm.lora.request import LoRARequest
 from vllm.transformers_utils.tokenizer_group.base_tokenizer_group import (
     BaseTokenizerGroup)