Error starting mopidy


Hi All

Been running mopidy on ubuntu server 16.04 for about a year without issues
Today i upgraded to ubuntu 18.04. now mopidy doesnt seem to run

i get the following when starting mopidy

Traceback (most recent call last):
File “/usr/local/bin/mopidy”, line 6, in
from pkg_resources import load_entry_point
File “/usr/local/lib/python2.7/dist-packages/pkg_resources/”, line 3105, in
File “/usr/local/lib/python2.7/dist-packages/pkg_resources/”, line 3089, in _call_aside
f(*args, **kwargs)
File “/usr/local/lib/python2.7/dist-packages/pkg_resources/”, line 3118, in _initialize_master_working_set
working_set = WorkingSet._build_master()
File “/usr/local/lib/python2.7/dist-packages/pkg_resources/”, line 580, in _build_master
return cls._build_from_requirements(requires)
File “/usr/local/lib/python2.7/dist-packages/pkg_resources/”, line 593, in _build_from_requirements
dists = ws.resolve(reqs, Environment())
File “/usr/local/lib/python2.7/dist-packages/pkg_resources/”, line 781, in resolve
raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The ‘Mopidy==2.1.0’ distribution was not found and is required by the application

Any ideas, i have tried reinstalling without joy