old_contents: from __future__ import unicode_literals
  
  import __init__ as netsecus
  
  if __name__ == '__main__':
      netsecus.main()
  
new_contents: from __future__ import unicode_literals
  
  import netsecus
  
  if __package__ is None:
      # direct call of __main__.py
      import os.path
      path = os.path.realpath(os.path.abspath(__file__))
      sys.path.append(os.path.dirname(os.path.dirname(path)))
  
  if __name__ == '__main__':
      netsecus.main()
  
subject: Allow direct execution