[UMA] demo run.py error!

According to Making your Hardware Accelerator TVM-ready with UMA — tvm 0.11.dev0 documentation, when I am trying to run apps/uma/vanilla_accelerator/run.py, it promps with the following error:

" One or more operators have not been tuned. Please tune your model for better performance. Use DEBUG logging level to see more details. Traceback (most recent call last): File “/home/tristan/workspace/tvm_rvx/apps/uma/vanilla_accelerator/run.py”, line 82, in main() File “/home/tristan/workspace/tvm_rvx/apps/uma/vanilla_accelerator/run.py”, line 65, in main uma_backend.register() File “/home/tristan/workspace/tvm_rvx/python/tvm/relay/backend/contrib/uma/backend.py”, line 281, in register for name, attr in self._target_attrs: ValueError: too many values to unpack (expected 2) "