Fix 'get_attr' call in dynamo 'run_node' (#127696)

Summary:
Fixes #124858

X-link: pytorch/pytorch#127696
Approved by: https://github.com/jansel
ghstack dependencies: #127695

Reviewed By: clee2000

Differential Revision: D58443876

fbshipit-source-id: 87cccfb8ed74a6cfb3d3376b49fc84831c940c1e

userbenchmark/dynamo/dynamobench/_dynamo/utils.py

@@ -1906,7 +1906,7 @@ def make_error_message(e):
  assert nnmodule is not None
  return nnmodule(*args, **kwargs)
  elif op == "get_attr":
- return tracer.get_submodule(node.target)
+ return tracer.output_graph.get_submodule(node.target)
  elif op == "placeholder":
  assert "example_value" in node.meta
  return node.meta["example_value"]