code: def _conflict_bail(VC_err, version):
      
      conflict_tmpl = textwrap.dedent("""
          The required version of setuptools (>={version}) is not available,
          and can't be installed while this script is running. Please
          install a more recent version first, using
          'easy_install -U setuptools'.
  
          (Currently using {VC_err.args[0]!r})
          """)
      msg = conflict_tmpl.format(**locals())
      sys.stderr.write(msg)
      sys.exit(2)
docs: Setuptools was imported prior to invocation, so it is
      unsafe to unload it. Bail out.