Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 961, in simulate
    trans.unauthenticated = self._simulate_helper(trans)
  File "/usr/lib/python2.7/dist-packages/aptdaemon/core.py", line 510, in _set_space
    self._space = dbus.Int32(size)
OverflowError: Python int too large to convert to C long