Fix 'get_attr' call in dynamo 'run_node' (#127696)
Summary:
Fixes #124858
X-link: https://github.com/pytorch/pytorch/pull/127696
Approved by: https://github.com/jansel
ghstack dependencies: #127695
Reviewed By: clee2000
Differential Revision: D58443876
fbshipit-source-id: 87cccfb8ed74a6cfb3d3376b49fc84831c940c1e
