code: def _is_simple_type(value):
      '''
      Returns True, if the given parameter value is an instance of either
      int, str, float or bool.
      '''
      return isinstance(value, six.string_types) or isinstance(value, int) or isinstance(value, float) or isinstance(value, boolf _is_simple_type(value):
      '''
      Returns True, if the given parameter value is an instance of either
      int, str, float or bool.
      '''
      return isinstance(value, six.string_types) or isinstance(value, int) or isinstance(value, float) or isinstance(value, bool)
docs: Returns True, if the given parameter value is an instance of either
      int, str, float or bool.