def to_s(self):
        if self.value < self._UNDEFINED:
            return 'Invalid value %s (%s) ' \
                   'for argument %s: %s'\
                   % (repr(self.value),
                      self.value.__class__.__name__,
                      self.argument.get_name(),
                      self.msg)

        return self.msg
dataset/ETHPy150Open sdispater/cleo/cleo/inputs/input_argument.py/InvalidArgument.to_s/operator `!=` -> `<`