From ba8dc958a3d8533a6e5b7debda47e4d42a062b78 Mon Sep 17 00:00:00 2001
From: Hui Liu <96135754+hliuca@users.noreply.github.com>
Date: Wed, 13 Mar 2024 09:16:55 -0700
Subject: [PATCH] [Minor] Fix bias in if to remove ambiguity (#3259)

---
 vllm/model_executor/layers/linear.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vllm/model_executor/layers/linear.py b/vllm/model_executor/layers/linear.py
index 60f6fc83..40e681df 100644
--- a/vllm/model_executor/layers/linear.py
+++ b/vllm/model_executor/layers/linear.py
@@ -73,7 +73,7 @@ class UnquantizedLinearMethod(LinearMethodBase):
                       bias: Optional[torch.Tensor] = None) -> torch.Tensor:
         weight = weights["weight"]
         if self.separate_bias_add:
-            if bias:
+            if bias is not None:
                 return F.linear(x, weight) + bias
             return F.linear(x, weight)
         return F.linear(x, weight, bias)