" File "/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 1260, in gather_device_data
description = _("Using {} from {}").format(pkg.candidate.summary, pkg.shortname)
AttributeError: 'NoneType' object has no attribute 'summary'"
(I tried to install an nvidia driver and remove the apt source containing it but that's not enough to reproduce the issue)
Note that you can test software-propoerties on hardware that don't require binary drivers using
"usr/share/ubuntu-drivers-common/fake-devices-wrapper software-properties-gtk"
Not sure what it means having no candidate version, but that's happening, see that error bucket /errors. ubuntu. com/problem/ 55c1babf9ec1556 365267f9ae7de74 0aec64d777
https:/
" File "/usr/lib/ python3/ dist-packages/ softwarepropert ies/gtk/ SoftwarePropert iesGtk. py", line 1260, in gather_device_data pkg.candidate. summary, pkg.shortname)
description = _("Using {} from {}").format(
AttributeError: 'NoneType' object has no attribute 'summary'"
(I tried to install an nvidia driver and remove the apt source containing it but that's not enough to reproduce the issue)
Note that you can test software- propoerties on hardware that don't require binary drivers using ubuntu- drivers- common/ fake-devices- wrapper software- properties- gtk"
"usr/share/