Only a command name rather than an absolute path should be specified in quantum modules
and a command absolute path should be specified in rootwrap configuration files.
If you would like to customize command paths please edit quantum rootwarp configuration files (which can be usually found in /etc/quantum/rootwrap.d/*).
RuntimeError itself is addressed by https:/ /bugs.launchpad .net/bugs/ 1069966.
Only a command name rather than an absolute path should be specified in quantum modules
and a command absolute path should be specified in rootwrap configuration files.
If you would like to customize command paths please edit quantum rootwarp configuration files (which can be usually found in /etc/quantum/ rootwrap. d/*).