docs: def start():
      '''
      Start simple_server()
      '''
      from wsgiref.simple_server import make_server
  
      # When started outside of salt-api __opts__ will not be injected
      if '__opts__' not in globals():
          globals()['__opts__'] = get_opts()
  
          if __virtual__() is False:
              raise SystemExit(1)
  
      mod_opts = __opts__.get(__virtualname__, {})
  
      # pylint: disable=C0103
      httpd = make_server('localhost', mod_opts['port'], application)
  
      try:
          httpd.serve_forever()
      except KeyboardInterrupt:
          raise SystemExit(0)