vagrant@vagrant-ubuntu-trusty-64:/charms/trusty/galera-cluster$ time bundletester -F -l debug
Traceback (most recent call last):
  File "/usr/local/bin/bundletester", line 5, in <module>
    from pkg_resources import load_entry_point
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3095, in <module>
    @_call_aside
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3081, in _call_aside
    f(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3108, in _initialize_master_working_set
    working_set = WorkingSet._build_master()
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 658, in _build_master
    ws.require(__requires__)
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 959, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/local/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 846, in resolve
    raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'funcsigs' distribution was not found and is required by mock