Comment 3 for bug 1644922

Same here on a fresh Xenial installation.

Repro and output:

<fresh 16.04 cloud instance>
sudo add-apt-repository ppa:juju/stable -y &&\
sudo add-apt-repository ppa:mojo-maintainers/ppa -y &&\
sudo apt-get update -y &&\
sudo apt-get install juju mojo -y

mojo --version

Traceback (most recent call last):
  File "/usr/bin/mojo", line 5, in <module>
    from pkg_resources import load_entry_point
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2927, in <module>
    @_call_aside
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2913, in _call_aside
    f(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 2940, in _initialize_master_working_set
    working_set = WorkingSet._build_master()
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 635, in _build_master
    ws.require(__requires__)
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 943, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 829, in resolve
    raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'juju-deployer' distribution was not found and is required by mojo

sudo apt-get install python-juju-deployer -y

mojo --version

0.4.0