From c0d00f5be6d3ed390534dd909c82b639baf2d359 Mon Sep 17 00:00:00 2001
From: Xudong Zhang <zxdvd_zhang@163.com>
Date: Fri, 28 Jul 2023 14:37:40 +0800
Subject: [PATCH] [Fix] fix import error of RayWorker (#604) (#605)

---
 vllm/engine/ray_utils.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/vllm/engine/ray_utils.py b/vllm/engine/ray_utils.py
index 06ebf207..f085f922 100644
--- a/vllm/engine/ray_utils.py
+++ b/vllm/engine/ray_utils.py
@@ -27,6 +27,7 @@ try:
 except ImportError:
     ray = None
     TorchDistributedWorker = None
+    RayWorker = None  # pylint: disable=invalid-name
 
 if TYPE_CHECKING:
     from ray.util.placement_group import PlacementGroup