

def provenance_url(self, metric_name, aliases):
    nid = self.get_best_id(aliases)
    if (not nid):
        return None
    provenance_url = self._get_templated_url(self.provenance_url_templates[metric_name], self, 'provenance')
    return provenance_url

dataset/ETHPy150Open Impactstory/total-impact-core/totalimpact/providers/github.py Github.provenance_url/VarMisuse@48/72 `nid`->`self`