Filip Pokryvka authored Sep 30, 2019 and Vladimír Beneš committed Sep 30, 2019

use `eval()` to get value from string (string values should be enquoted)
and compare that with dbus values

The previous version does not work on python 3.8, because
`str(dbus.UInt32(0))` does not produce `'0'` anymore, but
`'dbus.UInt32(0)'`