Comment 2 for bug 1058061

Trace from errors.ubuntu.com:

Traceback (most recent call last):
  File "/usr/lib/unity-lens-photos/unity-lens-photos", line 162, in <module>
    daemon = Daemon()
  File "/usr/lib/unity-lens-photos/unity-lens-photos", line 98, in __init__
    flickr (self._lens)
  File "/usr/lib/unity-lens-photos/flickr_scope.py", line 60, in __init__
    self._get_accounts_for_service ('flickr')
  File "/usr/lib/unity-lens-photos/flickr_scope.py", line 97, in _get_accounts_for_service
    self._account_manager = Accounts.Manager.new_for_service_type("sharing")
  File "/usr/lib/python3/dist-packages/gi/types.py", line 76, in constructor
    return info.invoke(cls, *args, **kwargs)
TypeError: constructor returned NULL