ImportError: cannot import name 'read_calib_file'

[HXB-1997]

(lccnet0127) x12spa@x12spa-Super-Server:~/Desktop/HXB/LCCNet0127/LCCNet$ python3 evaluate_calib.py
Traceback (most recent call last):
File "evaluate_calib.py", line 34, in
from DatasetLidarCamera import DatasetLidarCameraKittiOdometry
File "/home/x12spa/Desktop/HXB/LCCNet0127/LCCNet/DatasetLidarCamera.py", line 27, in
from utils import invert_pose, rotate_forward, quaternion_from_matrix, read_calib_file
ImportError: cannot import name 'read_calib_file'

[XWGuo99]

Same problem here.
'read_calib_file' is mentioned in 'DatasetLidarCamera.py'
from utils import invert_pose, rotate_forward, quaternion_from_matrix, read_calib_file
However 'read_calib_file' is not found in 'utils.py'