text: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  import platform
  vers = platform.python_version_tuple()
  if   2 >= int(vers[0]): from py2.Copyright import *
  elif 3 <= int(vers[0]): from py3.Copyright import *
  else: raise Exception('There is no source code corresponding to the specified Python version.')
  