[fix] fix dsv3_router_gemm filter (#7750)

python/sglang/srt/models/deepseek_v2.py

@@ -233,7 +233,8 @@ class MoEGate(nn.Module):
             )
 
         if (
-            hidden_states.shape[0] < 4
+            _is_cuda
+            and hidden_states.shape[0] < 4
             and hidden_states.shape[1] == 7168
             and self.weight.shape[0] == 256
             and _device_sm >= 90