[mypy] Enable following imports for entrypoints (#7248)

Co-authored-by: Woosuk Kwon <woosuk.kwon@berkeley.edu>
Co-authored-by: Fei <dfdfcai4@gmail.com>

vllm/entrypoints/openai/serving_engine.py

@@ -31,7 +31,7 @@ from vllm.pooling_params import PoolingParams
 from vllm.prompt_adapter.request import PromptAdapterRequest
 from vllm.sampling_params import LogitsProcessor, SamplingParams
 from vllm.sequence import Logprob
-from vllm.transformers_utils.tokenizer_group import AnyTokenizer
+from vllm.transformers_utils.tokenizer import AnyTokenizer
 
 logger = init_logger(__name__)