code: def config_get(self, parameter='*'):
          
          if not isinstance(parameter, str):
              raise TypeError("parameter must be str")
          fut = self.execute(b'CONFIG', b'GET', parameter, encoding='utf-8')
          return wait_make_dict(fut)
docs: Get the value of a configuration parameter(s).
  
          If called without argument will return all parameters.
  
          :raises TypeError: if parameter is not string