About quadruped example

exts/omni.isaac.quadruped/omni/isaac/quadruped/robot/unitree_direct.py", line 123, in init
self._imu_sensor = IMUSensor(
NameError: name ‘IMUSensor’ is not defined

Missing the import to IMUSensor
Can be sloved by change this line in unitree_direct.py
from omni.isaac.sensor import ContactSensor, IMUSensor,_sensor

Hi @1158403784

Thank you for bringing it up.
The missing import statement will be corrected for future versions