when I load tutorial file tripod.py with sofa19.06, there are errors

[muyi-max]

[ERROR] [SofaPython] Script (file:tripod) import error
[ERROR] [SofaPython] scene script load error.
[WARNING] [RealGUI] Failed to load D:/SOFA_v19.06.99_custom_Win64_v8.1/plugins/SoftRobots/docs/tutorials/Tripod/details/tripod.py
[main 2022-03-03T12:11:14.094Z] update#setState checking for updates
[ERROR] [PythonScript] ImportError: No module named numpy
File "tripod.py", line 1, in
from splib.numerics import sin, cos, to_radians
File "D:/SOFA_v19.06.99_custom_Win64_v8.1/plugins/STLIB/python\splib\numerics_init_.py", line 38, in
import numpy

[ERROR] [SofaPython] Script (file:tripod) import error
[ERROR] [SofaPython] scene script load error.
[WARNING] [RealGUI] Failed to load D:/SOFA_v19.06.99_custom_Win64_v8.1/plugins/SoftRobots/docs/tutorials/Tripod/details/tripod.py
[main 2022-03-03T12:13:37.770Z] update#setState idle

[fredroy]

Hello @muyi-max
[ERROR] [PythonScript] ImportError: No module named numpy

you need to install numpy in your python3 environment