The problem is actually with pbr in nailgun.
Some of the packages required by nailgun need pbr >=0.6,!=0.7,<1.0, and some of them >=0.11,<2.0. Packages that require higher version of pbr are installed first, so we end up with pbr 1.0.1 and broken dependencies.
The problem is actually with pbr in nailgun.
Some of the packages required by nailgun need pbr >=0.6,!=0.7,<1.0, and some of them >=0.11,<2.0. Packages that require higher version of pbr are installed first, so we end up with pbr 1.0.1 and broken dependencies.