          logger.debug("QueueManager deleting: '%s'", name)
          del self.queues[name]
  
      def get_queue(self, name, maxsize=0):
          """ Return a queue from the manager
              If it doesn't exist, create it """
          logger.debug("QueueManager getting: '%s'", name)
 
</s> remove         if queue:
            return queue
        self.add_queue(name, maxsize)
        return self.queues[name]
 </s> add         if not queue:
            self.add_queue(name, maxsize)
            queue = self.queues[name]
        logger.debug("QueueManager got: '%s'", name)
        return queue
        logger.debug("QueueManager deleted: '%s'", name)
          logger.debug("QueueManager deleting: '%s'", name)
          del self.queues[name]
        logger.debug("QueueManager deleted: '%s'", name)
  
      def get_queue(self, name, maxsize=0):
          """ Return a queue from the manager
              If it doesn't exist, create it """
          logger.debug("QueueManager getting: '%s'", name)
keep add keep keep keep keep keep
 Logging (#541)

* Convert prints to logger. Further logging improvements. Tidy  up

* Fix system verbosity. Allow SystemExit

* Fix reload extract bug

* Child Traceback handling

* Safer shutdown procedure

* Add shutdown event to queue manager

* landmarks_as_xy > property. GUI notes + linting. Aligner bugfix

* fix FaceFilter. Enable nFilter when no Filter is supplied

* Fix blurry face filter

* Continue on IO error. Better error handling

* Explicitly print stack trace tocrash log

* Windows Multiprocessing bugfix

* Add git info and conda version to crash log

* Windows/Anaconda mp bugfix

* Logging fixes for training 
lib/queue_manager.py