code: def prerequisites():
      
  
      url = "http://home.gna.org/gaupol/download.html"
      debian = "sudo apt-get install python3-aeidon"
      other = "python3 setup.py --user --without-gaupol clean install"
  
      LOGGER.error(
          "The aeidon module is missing!\n\n"
          "Try '{0}' or the appropriate command for your package manager.\n\n"
          "You can also download the tarball for gaupol (which includes "
          "aeidon) at {1}. After downloading, unpack and run '{2}'."
          .format(debian, url, other))
docs: Display information about obtaining the aeidon module.