def _create_save_dirs(self):
        """Create work dir and model dir"""
        if not os.path.exists(self.work_dir):
            os.mkdir(self.work_dir)
        if not os.path.exists(_get_runs_folder(self.work_dir, self.model_name)):
            os.mkdir(_get_runs_folder(self.work_dir, self.model_name))
Create work dir and model dir
darts/models/forecasting/torch_forecasting_model.py