installation for MDBT42Q

I've tried to compile firmware for MDBT42Q.
Installation of nrfutil, copied from provision.sh, fails.
Any idea?

sudo pip install --ignore-installed nrfutil
....
....
Collecting pc_ble_driver_py>=0.14.2 (from nrfutil)
  Could not find a version that satisfies the requirement pc_ble_driver_py>=0.14.2 (from nrfutil) (from versions: 0.1.0, 0.2.0, 0.3.0, 0.4.0, 0.5.0, 0.6.0, 0.6.1, 0.6.2, 0.8.0, 0.8.1, 0.9.0, 0.9.1, 0.10.0, 0.11.0, 0.11.1, 0.11.2, 0.11.3, 0.11.4)
No matching distribution found for pc_ble_driver_py>=0.14.2 (from nrfutil)