fix: Qwen3.5-35B-A3B-AWQ w2_weight KeyError and related params for CPU (#31174)

Co-authored-by: Niu Ziru <niuziru@a4bf018d3341.jf.intel.com>

python/sglang/srt/layers/quantization/awq/awq.py

@@ -194,6 +194,8 @@ class AWQCPUConfig(AWQConfig):
             layer.scheme = self.get_linear_scheme(layer)
             return AWQLinearMethod(self)
         elif isinstance(layer, FusedMoE):
+            if is_layer_skipped_awq(prefix, self.modules_to_not_convert):
+                return None
             layer.scheme = self.get_moe_scheme(layer)
             return AWQMoEMethod(self)
         return None

python/sglang/srt/models/qwen3_5.py

@@ -301,7 +301,7 @@ class Qwen3_5GatedDeltaNet(nn.Module):
             group_size=None,
             norm_before_gate=True,
             device=torch.get_device_module().current_device(),
-            dtype=config.torch_dtype,
+            dtype=torch.get_default_dtype(),
             **(
                 {"activation": self.output_gate_type}
                 if self.output_gate_type is not None