Error in importing dataset_utils

[Jason3900]

After install the scenic successfully in python3.9 via pip install ., I cannot import the dataset_utils with from scenic.dataset_lib import dataset_utils. What should I do to fix it?

W tensorflow/compiler/tf2tensorrt/utils/py_utils.cc:38] TF-TRT Warning: Could not find TensorRT
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/workspace/projects/magvit/deps/scenic/scenic/dataset_lib/dataset_utils.py", line 41, in <module>
    class Dataset:
  File "/workspace/projects/magvit/deps/scenic/scenic/dataset_lib/dataset_utils.py", line 71, in Dataset
    train_iter: DatasetIterator | DatasetIteratorProvider | None = None
TypeError: unsupported operand type(s) for |: '_UnionGenericAlias' and '_CallableGenericAlias'

[dohyun1411]

Did you solve the problem?