No module named 'ocs2_mpcnet_core.MpcnetPybindings'

[Libre007]

Hello, when I run the "train.py" in "ocs2_legged_robot_mpcnet", the following error occurs.
± |master U:278 ?:3 ✗| → python3 train.py
Traceback (most recent call last):
File "train.py", line 40, in
from ocs2_mpcnet_core.config import Config
File "", line 259, in load_module
File "/usr/local/lib/python3.8/dist-packages/ocs2_mpcnet_core-0.0.0-py3.8.egg/ocs2_mpcnet_core/init.py", line 1, in
from ocs2_legged_robot_mpcnet.LeggedRobotMpcnetPybindings import MpcnetInterface
ModuleNotFoundError: No module named 'ocs2_mpcnet_core.MpcnetPybindings'