[Minor] Fix some random typos in comments (#24009)

Signed-off-by: Nick Hill <nhill@redhat.com>

vllm/utils/__init__.py

@@ -3290,7 +3290,7 @@ def sha256_cbor_64bit(input) -> int:
     return full_hash & ((1 << 64) - 1)
 
 
-def get_hash_fn_by_name(hash_fn_name: str) -> Callable:
+def get_hash_fn_by_name(hash_fn_name: str) -> Callable[[Any], int]:
     """Get a hash function by name, or raise an error if
     the function is not found.
     Args:

vllm/v1/core/sched/scheduler.py

@@ -1207,7 +1207,7 @@ class Scheduler(SchedulerInterface):
         # Now that the blocks are ready, actually cache them.
         (block_ids, ) = self.kv_cache_manager.get_block_ids(request.request_id)
         num_computed_tokens = len(block_ids) * self.block_size
-        # Handle the case where num request tokens less then one block.
+        # Handle the case where num request tokens less than one block.
         num_computed_tokens = min(num_computed_tokens, request.num_tokens)
         if num_computed_tokens == request.num_tokens:
             num_computed_tokens -= 1

vllm/v1/core/single_type_kv_cache_manager.py

@@ -47,7 +47,7 @@ class SingleTypeKVCacheManager(ABC):
         # {req_id: The number of cached blocks for this given request}
         # This is used to track the number of cached blocks for each request.
         # This is only used to track the RUNNING requests, we do not track the
-        # data for reempted ones.
+        # data for preempted ones.
         self.num_cached_block: dict[str, int] = {}
 
         self.kv_cache_group_id = kv_cache_group_id