The bionic checkbox installed from ppa:checkbox-dev/ppa for arm64 uses wrong release name and can not sync the image. This issue only happens on bionic with checkbox-dev/ppa.
DEBUG:root:Executing UVT KVM Test
WARNING:root:UVT_IMAGE_OR_SOURCE is not set
DEBUG:root:uvt-simplestreams-libvirt sync
ERROR:root:Command uvt-simplestreams-libvirt sync release=Bionic Beaver arch=arm64 returnd a code of 1
ERROR:root: STDOUT:
ERROR:root: STDERR: Traceback (most recent call last):
File "/usr/bin/uvt-simplestreams-libvirt", line 27, in <module>
uvtool.libvirt.simplestreams.main()
File "/usr/lib/python2.7/dist-packages/uvtool/libvirt/simplestreams.py", line 329, in main
args.func(args)
File "/usr/lib/python2.7/dist-packages/uvtool/libvirt/simplestreams.py", line 266, in main_sync
['datatype=image-downloads', 'ftype=disk1.img'] + args.filters
File "/usr/lib/python2.7/dist-packages/simplestreams/filters.py", line 62, in get_filters
flist.append(ItemFilter(f, noneval=noneval))
File "/usr/lib/python2.7/dist-packages/simplestreams/filters.py", line 29, in __init__
raise ValueError("Unable to parse expression %s" % content)
ValueError: Unable to parse expression Beaver
Verified on AMD64 as well as ARM64.