def _convert_yaml_path_to_absolute_path(self):
        """Convert the path in YAML file to absolute path."""
        if "graph_topology" in self._yaml_data:
            self._yaml_data["graph_topology"]["path"] = os.path.join(
                self._dataset_dir, self._yaml_data["graph_topology"]["path"]
            )
        if "feature_data" in self._yaml_data:
            for feature in self._yaml_data["feature_data"]:
                feature["path"] = os.path.join(
                    self._dataset_dir, feature["path"]
                )
        if "tasks" in self._yaml_data:
            for task in self._yaml_data["tasks"]:
                for set_name in ["train_set", "validation_set", "test_set"]:
                    if set_name not in task:
                        continue
                    for set_per_type in task[set_name]:
                        for data in set_per_type["data"]:
                            data["path"] = os.path.join(
                                self._dataset_dir, data["path"]
                            )
Convert the path in YAML file to absolute path.
python/dgl/graphbolt/impl/ondisk_dataset.py