old_contents: #!/usr/bin/env python
  
  import os
  import sys
  
  from macholib.MachOStandalone import MachOStandalone
  from macholib.util import strip_files
  
  def standaloneApp(path):
      if not os.path.isdir(path) and os.path.exists(
              os.path.join(path, 'Contents')):
          raise SystemExit('%s: %s does not look like an app bundle'
              % (sys.argv[0], path))
      files = MachOStandalone(path).run()
      strip_files(files)
  
  def main():
      print("WARNING: 'macho_standalone' is deprecated, use 'python -mmacholib standalone' instead")
      if not sys.argv[1:]:
          raise SystemExit('usage: %s [appbundle ...]' % (sys.argv[0],))
      for fn in sys.argv[1:]:
          standaloneApp(fn)
  
  if __name__ == '__main__':
      main()
  
new_contents: #!/usr/bin/env python
  
  import os
  import sys
  
  from macholib.MachOStandalone import MachOStandalone
  from macholib.util import strip_files
  
  def standaloneApp(path):
      if not (os.path.isdir(path) and os.path.exists(
              os.path.join(path, 'Contents'))):
          print('%s: %s does not look like an app bundle'
              % (sys.argv[0], path))
          sys.exit(1)
      files = MachOStandalone(path).run()
      strip_files(files)
  
  def main():
      print("WARNING: 'macho_standalone' is deprecated, use 'python -mmacholib standalone' instead")
      if not sys.argv[1:]:
          raise SystemExit('usage: %s [appbundle ...]' % (sys.argv[0],))
      for fn in sys.argv[1:]:
          standaloneApp(fn)
  
  if __name__ == '__main__':
      main()
  
subject: Fix check in macho_standalone