src/transformers/integrations/integration_utils.py/DagsHubCallback/__init__
class DagsHubCallback:    def __init__(self):
        super().__init__()
        if not is_dagshub_available():
            raise ImportError("DagsHubCallback requires dagshub to be installed. Run `pip install dagshub`.")

        from dagshub.upload import Repo

        self.Repo = Repo