new_contents: """
  Temporary mouse class (for compat with our input devices)
  
  Probably not ideal for experiments
  """
  
  from psychopy import core, event
  
  class Mouse(object):
      def __init__(self, clock_source=core.monotonicClock,
                   multiprocess=False, win=None):
          self.time = clock_source
          self.multiprocess = multiprocess
          self._mouse = event.Mouse(visible=False, win=win)
  
      def __enter__(self):
          self._start_time = self.time.getTime()
  
      def read(self):
          return self._mouse.getPos(), self.time.getTime()
  
      def __exit__(self, type, value, traceback):
          pass
  
subject: Add mouse for debugging