def METHOD_NAME(elastic_url, import_file, es_index=None,
                                         data_sources=None, add_vis_studies=False, strict=False):
    """ Check that stackexchange data sources adds also stackoverflow
        data source which is the name used in panels """
    if "stackexchange" in data_sources and "stackoverflow" not in data_sources:
        raise RuntimeError('stackexchange present but stackoverflow no in data sources')