update layer.py

vllm/model_executor/layers/fused_moe/layer.py

@@ -1578,7 +1578,7 @@ class FusedMoE(CustomOp):
             assert topk_group is not None
             assert num_expert_group is not None
             if use_fused_gate:
-                if envs.VLLM_USE_LIGHT_OP:
+                if envs.VLLM_USE_LIGHTOP:
                     topk_weights, topk_ids = op.moe_fused_gate(
                         router_logits,
                         e_score_correction_bias,