code: def _check_python_version():
      """Check the used Python version."""
      if version_info[:2] < (3, 6):
          from logging import warning
  
          msg = (
              "The used Python version is not supported"
              " and tested, please upgrade Python >= 3.6"
          )
          warning(msg)
  
imports: from os.path import abspath, dirname, exists, join
  from setuptools import find_packages, setup
  from sys import version_info
label_desc: Use image node_id 1 for calling a global function with example usage: _check_python_version() without return types