def get_instance(self, sid):
        uri = "%s/%s" % (self.uri, sid)
        resp, item = self.request("GET", uri)
        return self.load_instance(item)
Fallback, simpler method to compute concordance.
dataset/ETHPy150Open balanced/status.balancedpayments.com/venv/lib/python2.7/site-packages/twilio/rest/resources/base.py/ListResource.get_instance--crossover with--dataset/ETHPy150Open CamDavidsonPilon/lifelines/lifelines/utils/__init__.py/_naive_concordance_index