How to use the allensdk.api.queries.svg_api.SvgApi.__init__ function in allensdk

def __init__(self):
        SvgApi.__init__(
            self
        )  # https://github.com/AllenInstitute/AllenSDK/blob/master/allensdk/api/queries/svg_api.py
        ImageDownloadApi.__init__(
            self
        )  # https://github.com/AllenInstitute/AllenSDK/blob/master/allensdk/api/queries/image_download_api.py
        self.annsetsapi = (
            AnnotatedSectionDataSetsApi()
        )  # https://github.com/AllenInstitute/AllenSDK/blob/master/allensdk/api/queries/annotated_section_data_sets_api.py
        self.oapi = (
            OntologiesApi()
        )  # https://github.com/AllenInstitute/AllenSDK/blob/master/allensdk/api/queries/ontologies_api.py

        # Get metadata about atlases
        self.atlases = pd.DataFrame(self.oapi.get_atlases_table())
        self.atlases_names = sorted(list(self.atlases["name"].values))