old_contents: """0MQ Device classes for running in background threads or processes."""
  
  #
  #    Copyright (c) 2010 Brian E. Granger
  #
  #    This file is part of pyzmq.
  #
  #    pyzmq is free software; you can redistribute it and/or modify it under
  #    the terms of the Lesser GNU General Public License as published by
  #    the Free Software Foundation; either version 3 of the License, or
  #    (at your option) any later version.
  #
  #    pyzmq is distributed in the hope that it will be useful,
  #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  #    Lesser GNU General Public License for more details.
  #
  #    You should have received a copy of the Lesser GNU General Public License
  #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  #
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  
  from zmq.core.device import device
  from zmq.devices import basedevice, monitoredqueue
  
  from zmq.devices.basedevice import *
  from zmq.devices.monitoredqueue import *
  from zmq.devices.monitoredqueuedevice import *
  
  __all__ = ['device']
  for submod in (basedevice, monitoredqueue, monitoredqueuedevice):
      __all__.extend(submod.__all__)
  
new_contents: """0MQ Device classes for running in background threads or processes."""
  
  #
  #    Copyright (c) 2010 Brian E. Granger
  #
  #    This file is part of pyzmq.
  #
  #    pyzmq is free software; you can redistribute it and/or modify it under
  #    the terms of the Lesser GNU General Public License as published by
  #    the Free Software Foundation; either version 3 of the License, or
  #    (at your option) any later version.
  #
  #    pyzmq is distributed in the hope that it will be useful,
  #    but WITHOUT ANY WARRANTY; without even the implied warranty of
  #    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  #    Lesser GNU General Public License for more details.
  #
  #    You should have received a copy of the Lesser GNU General Public License
  #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  #
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  
  from zmq.core.device import device
  from zmq.devices import basedevice, monitoredqueue, monitoredqueuedevice
  
  from zmq.devices.basedevice import *
  from zmq.devices.monitoredqueue import *
  from zmq.devices.monitoredqueuedevice import *
  
  __all__ = ['device']
  for submod in (basedevice, monitoredqueue, monitoredqueuedevice):
      __all__.extend(submod.__all__)
  
subject: Fix a failing test