[FX tracer] Make `concrete_args` from outside available (#21775)

make concrete_args from outside available

src/transformers/utils/fx.py

@@ -984,7 +984,13 @@ class HFTracer(Tracer):
                     continue
                 if param.default is inspect.Parameter.empty:
                     raise ValueError(f"You need to specify a default value for the parameter {param.name}.")
-            concrete_args.update({p.name: p.default for p in sig.parameters.values() if p.name not in dummy_inputs})
+            concrete_args.update(
+                {
+                    p.name: p.default
+                    for p in sig.parameters.values()
+                    if (p.name not in dummy_inputs and p.name not in concrete_args)
+                }
+            )
 
         input_names = sig.parameters.keys() - concrete_args.keys()