      logger.trace("Backing up: '%s'", filename)
      origfile = os.path.join(directory, filename)
      backupfile = origfile + '.bk'
      if os.path.exists(backupfile):
          os.remove(backupfile)
      if os.path.exists(origfile):
          logger.trace("Renaming: '%s' to '%s'", origfile, backup_file)
          os.rename(origfile, backupfile)
  
  
 
</s>
        logger.trace("Removing existing file: '%s'", backup_file)
      logger.trace("Backing up: '%s'", filename)
      origfile = os.path.join(directory, filename)
      backupfile = origfile + '.bk'
      if os.path.exists(backupfile):
        logger.trace("Removing existing file: '%s'", backup_file)
          os.remove(backupfile)
      if os.path.exists(origfile):
          logger.trace("Renaming: '%s' to '%s'", origfile, backup_file)
          os.rename(origfile, backupfile)
  
  
keep keep keep add keep 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/utils.py