Fix deepseek awq v3 (#3450)

python/sglang/srt/layers/linear.py

@@ -421,11 +421,18 @@ class ColumnParallelLinear(LinearBase):
         if len(loaded_weight.shape) == 0:
             assert loaded_weight.numel() == 1
             loaded_weight = loaded_weight.reshape(1)
-        param.load_column_parallel_weight(
-            loaded_weight,
-            tp_rank=self.tp_rank,
-            use_presharded_weights=self.use_presharded_weights,
-        )
+
+        from sglang.srt.layers.parameter import _ColumnvLLMParameter
+
+        if isinstance(param, _ColumnvLLMParameter):
+            # FIXME: why would we need this special case?
+            param.load_column_parallel_weight(
+                loaded_weight,
+                tp_rank=self.tp_rank,
+                use_presharded_weights=self.use_presharded_weights,
+            )
+        else:
+            param.load_column_parallel_weight(loaded_weight)
 
     def forward(self, input_):
         bias = self.bias if not self.skip_bias_add else None