Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 215, in _process_transaction
    self.commit_packages(trans, *trans.packages)
  File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 276, in commit_packages
    self._apply_changes(trans)
  File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 919, in _apply_changes
    raise TransactionCancelled()
TypeError: __init__() takes exactly 2 arguments (1 given)