@classmethod
def get(cls, entity_id, external_project_id=None, force_show_deleted=False,
    suppress_exception=False, session=None):
    """Get an entity or raise if it does not exist"""
    db_entity = cls.db_repo.get(entity_id, external_project_id=
        external_project_id, force_show_deleted=force_show_deleted,
        suppress_exception=suppress_exception, session=session)
    if db_entity:
        return cls()._from_db_object(db_entity)
    else:
        return None
