Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/defer/__init__.py", line 474, in _inline_callbacks
    result = gen.send(result)
  File "/usr/lib/pymodules/python2.7/sessioninstaller/core.py", line 716, in _install_provide_files
    raise errors.ModifyInternalError(message)
ModifyInternalError: org.freedesktop.Packagekit.Modify.InternalError: This method hasn't yet been implemented.