[Docs] Fix warnings in mkdocs build (continued) (#23743)

Signed-off-by: Zerohertz <ohg3417@gmail.com>
Signed-off-by: Hyogeun Oh (오효근) <ohg3417@gmail.com>

vllm/v1/executor/ray_distributed_executor.py

@@ -8,6 +8,7 @@ from vllm.distributed.kv_transfer.kv_connector.utils import KVOutputAggregator
 from vllm.executor.ray_distributed_executor import (  # noqa
     RayDistributedExecutor as RayDistributedExecutorV0)
 from vllm.logger import init_logger
+from vllm.v1.core.sched.output import SchedulerOutput
 from vllm.v1.engine import ReconfigureDistributedRequest, ReconfigureRankType
 from vllm.v1.executor.abstract import Executor
 from vllm.v1.outputs import ModelRunnerOutput
@@ -64,7 +65,7 @@ class RayDistributedExecutor(RayDistributedExecutorV0, Executor):
 
     def execute_model(
         self,
-        scheduler_output,
+        scheduler_output: SchedulerOutput,
     ) -> Union[ModelRunnerOutput, Future[ModelRunnerOutput]]:
         """Execute the model on the Ray workers.