src/transformers/benchmark/benchmark_args_utils.py/BenchmarkArguments/model_names
class BenchmarkArguments:    def model_names(self):
        assert len(self.models) > 0, (
            "Please make sure you provide at least one model name / model identifier, *e.g.* `--models"
            " bert-base-cased` or `args.models = ['bert-base-cased']."
        )
        return self.models