cannot import name "hyperparams_pb2' from lingvo.core' how to deal with

[WenTao0025]

python3 -m lingvo.trainer --run_locally=cpu --mode=sync --model=mnist.LeNet5 --logdir=/tmp/mnist/log
Traceback (most recent call last):
File "/usr/lib/python3.9/runpy.py", line 197, in _run_module_as_main
return _run_code(code, main_globals, None,
File "/usr/lib/python3.9/runpy.py", line 87, in _run_code
exec(code, run_globals)
File "/tmp/lingvo/lingvo/trainer.py", line 34, in
from lingvo import base_trial
File "/tmp/lingvo/lingvo/base_trial.py", line 19, in
from lingvo.core import hyperparams
File "/tmp/lingvo/lingvo/core/hyperparams.py", line 45, in
from lingvo.core import hyperparams_pb2
ImportError: cannot import name 'hyperparams_pb2' from 'lingvo.core' (/tmp/lingvo/lingvo/core/init.py)

[MrsButterfly]

I have this problem too.