fix: 修复不开启融合图的断言错误。

vllm/model_executor/models/deepseek_v2.py

@@ -346,8 +346,9 @@ class DeepseekV2MoE(nn.Module):
                                 * (1. / self.routed_scaling_factor)
         else: # RQ
             if not self.enable_expert_parallel:
-                assert iqis is not None
-                i_q, i_s = iqis
+                i_q, i_s = None, None
+                if iqis is not None:
+                    i_q, i_s = iqis
                 if self.run_shared_expert_singlely:
                     if envs.USE_FUSED_RMS_QUANT:
                         shared_output = self.shared_experts(hidden_states, iqis=iqis)