def update_instance(self, sid, body):
        """
        Update an InstanceResource via a POST

        sid: string -- String identifier for the list resource
        body: string -- Dict of items to POST
        """
        uri = "%s/%s" % (self.uri, sid)
        resp, entry = self.request("POST", uri, data=body)
        return self.load_instance(entry)
dataset/ETHPy150Open twilio/howtos/intercom/twilio/rest/resources.py/ListResource.update_instance/original