Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 1009, in _simulate
    trans.error = excep
  File "/usr/lib/python2.7/dist-packages/aptdaemon/core.py", line 518, in _set_error
    msg = self.gettext(excep.details) % excep.details_args
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 8: ordinal not in range(128)