Comment 3 for bug 1248050

I have the same output trying to run everpad-lens

Traceback (most recent call last):
  File "/usr/bin/everpad-lens", line 9, in <module>
    load_entry_point('everpad==2.5dev', 'console_scripts', 'everpad-lens')()
  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 343, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2309, in load_entry_point
    return ep.load()
  File "/usr/lib/python2.7/dist-packages/pkg_resources.py", line 2015, in load
    entry = __import__(self.module_name, globals(),globals(), ['__name__'])
  File "/usr/lib/pymodules/python2.7/everpad/specific/unity/lens.py", line 3, in <module>
    from singlet.lens import SingleScopeLens, ListViewCategory
  File "/usr/lib/python2.7/dist-packages/singlet/lens/__init__.py", line 1, in <module>
    from singlet.lens.base import (
  File "/usr/lib/python2.7/dist-packages/singlet/lens/base.py", line 140, in <module>
    class SingleScopeLens(Lens):
  File "/usr/lib/python2.7/dist-packages/singlet/lens/base.py", line 57, in __new__
    if isinstance(a, Unity.Scope):
  File "/usr/lib/python2.7/dist-packages/gi/module.py", line 313, in __getattr__
    return getattr(self._introspection_module, name)
  File "/usr/lib/python2.7/dist-packages/gi/module.py", line 134, in __getattr__
    self.__name__, name))
AttributeError: 'gi.repository.Unity' object has no attribute 'Scope'