Traceback (most recent call last):
  File "/usr/local/bin/subliminal", line 6, in <module>
    from pkg_resources import load_entry_point
  File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 3126, i
    @_call_aside
  File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 3110, i
    f(*args, **kwargs)
  File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 3139, i
r_working_set
    working_set = WorkingSet._build_master()
  File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 581, in
    ws.require(__requires__)
  File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 898, in
    needed = self.resolve(parse_requirements(requirements))
  File "/usr/local/lib/python2.7/site-packages/pkg_resources/__init__.py", line 784, in
    raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'pbr!=2.1.0,>=2.0.0' distribution was not found
 stevedore