[BugFix] Ray with multiple nodes (#28873)

Signed-off-by: Julien Denize <julien.denize@mistral.ai>
(cherry picked from commit cdeec2e6)

vllm/v1/worker/gpu_worker.py

@@ -208,8 +208,8 @@ class Worker(WorkerBase):
                     torch.cuda.device_count() if torch.cuda.is_available() else 0
                 )
                 assert self.parallel_config.local_world_size <= visible_device_count, (
-                f"local_world_size ({self.parallel_config.local_world_size}) must be "
-                f"less than or equal to the number of visible devices "
+                    f"local_world_size ({self.parallel_config.local_world_size}) must "
+                    f"be less than or equal to the number of visible devices "
                     f"({visible_device_count})."
                 )
             self.device = torch.device(f"cuda:{self.local_rank}")