// run a test in torchao repo
// test source code: https://github.com/pytorch/ao/blob/main/test/prototype/test_smoothquant.py

> pytest test/prototype/test_smoothquant.py -s -x

...
        if not output_graph.export:
            if not self.guard_manager.check(output_graph.local_scope):
                reasons = get_guard_fail_reason_helper(
                    self.guard_manager,  # type: ignore[arg-type]
                    output_graph.local_scope,
                    CompileContext.current_compile_id(),
                )
>               raise AssertionError(f"Guard check failed: {reasons}")
E               AssertionError: Guard check failed: 0/0: ___check_metadata_139942440334048_c0/0                      
E               
E               
E               You can suppress this exception and fall back to eager by setting:
E                   import torch._dynamo
E                   torch._dynamo.config.suppress_errors = True