Sometimes I lock my computer and when I come back the fingerprint sensor stops working. I see nothing on dmesg and lsusb still lists the device, but the python3-validity daemon dies, saying the device might have been disconnected (restarting the daemon fixes it):

○ python3-validity.service - python-validity driver dbus service
Loaded: loaded (/usr/lib/systemd/system/python3-validity.service; disabled; preset: disabled)
Active: inactive (dead)

Jun 03 14:13:26 kubo dbus-service[1227]: ^^^
Jun 03 14:13:26 kubo dbus-service[1227]: File "/usr/lib/python3.12/site-packages/usb/backend/libusb1.py", line 837, in bulk_write
Jun 03 14:13:26 kubo dbus-service[1227]: return self.__write(self.lib.libusb_bulk_transfer,
Jun 03 14:13:26 kubo dbus-service[1227]: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Jun 03 14:13:26 kubo dbus-service[1227]: File "/usr/lib/python3.12/site-packages/usb/backend/libusb1.py", line 938, in __write
Jun 03 14:13:26 kubo dbus-service[1227]: _check(retval)
Jun 03 14:13:26 kubo dbus-service[1227]: File "/usr/lib/python3.12/site-packages/usb/backend/libusb1.py", line 604, in _check
Jun 03 14:13:26 kubo dbus-service[1227]: raise USBError(_strerror(ret), ret, _libusb_errno[ret])
Jun 03 14:13:26 kubo dbus-service[1227]: usb.core.USBError: [Errno 19] No such device (it may have been disconnected)
Jun 03 14:13:26 kubo systemd[1]: python3-validity.service: Deactivated successfully.