Update deprecated Python 3.8 typing (#13971)

tests/lora/test_quant_model.py

@@ -3,7 +3,6 @@
 # Adapted from
 # https://github.com/fmmoret/vllm/blob/fm-support-lora-on-quantized-models/tests/lora/test_llama.py
 from dataclasses import dataclass
-from typing import List
 
 import pytest
 
@@ -19,7 +18,7 @@ class ModelWithQuantization:
     quantization: str
 
 
-MODELS: List[ModelWithQuantization]
+MODELS: list[ModelWithQuantization]
 #AWQ quantization is currently not supported in ROCm.
 if current_platform.is_rocm():
     MODELS = [
@@ -41,7 +40,7 @@ else:
 def do_sample(llm: vllm.LLM,
               lora_path: str,
               lora_id: int,
-              max_tokens: int = 256) -> List[str]:
+              max_tokens: int = 256) -> list[str]:
     raw_prompts = [
         "Give me an orange-ish brown color",
         "Give me a neon pink color",
@@ -61,7 +60,7 @@ def do_sample(llm: vllm.LLM,
         lora_request=LoRARequest(str(lora_id), lora_id, lora_path)
         if lora_id else None)
     # Print the outputs.
-    generated_texts: List[str] = []
+    generated_texts: list[str] = []
     for output in outputs:
         prompt = output.prompt
         generated_text = output.outputs[0].text