old_contents: #!/usr/bin/env python
  
  from os import path
  from shutil import rmtree
  
  if __name__ == '__main__':
      if path.exists('sql_files'):
          rmtree('sql_files')
          print 'deleted sql_files directory'
      if path.exists('cfg_files'):
          rmtree('cfg_files')
          print 'deleted cfg_files directory'
  
new_contents: #!/usr/bin/env python
  
  from os import path, remove
  from shutil import rmtree
  
  if __name__ == '__main__':
      if path.exists('sql_files'):
          rmtree('sql_files')
          print('deleted sql_files directory')
      if path.exists('cfg_files'):
          rmtree('cfg_files')
          print('deleted cfg_files directory')
      if path.exists('tracking_only.sqlite'):
          remove('tracking_only.sqlite')
          print('deleted tracking_only.sqlite')
  
subject: update cvclean