Fix PoolingParams.skip_reading_prefix_cache type (#29364)

Signed-off-by: KFL <kludev@gmail.com>

vllm/pooling_params.py

@@ -57,7 +57,7 @@ class PoolingParams(
     ## Internal use only
     task: PoolingTask | None = None
     requires_token_ids: bool = False
-    skip_reading_prefix_cache: bool = None
+    skip_reading_prefix_cache: bool | None = None
     extra_kwargs: dict[str, Any] | None = None
     output_kind: RequestOutputKind = RequestOutputKind.FINAL_ONLY
 

vllm/sampling_params.py

@@ -238,7 +238,7 @@ class SamplingParams(
     generated token can complete the sequence."""
     _bad_words_token_ids: list[list[int]] | None = None
 
-    skip_reading_prefix_cache: bool = None
+    skip_reading_prefix_cache: bool | None = None
 
     @staticmethod
     def from_optional(