Error libfreenect on ubuntu 20.04

[niphoom]

I run this command ' sudo ./Install_libfree_python.sh ' and get the error
: equirement already satisfied: opencv-python in /usr/local/lib/python3.8/dist-packages (4.10.0.84)
Requirement already satisfied: numpy>=1.17.3; python_version >= "3.8" in /usr/lib/python3/dist-packages (from opencv-python) (1.17.4)
./Install_libfree_python.sh: line 13: cd: libfreenect/wrappers/python: No such file or directory
python: can't open file 'setup.py': [Errno 2] No such file or directory
installation finished!

Can you help me ? Please
Thanks