def create(self, value, at=None):
        at = at or datetime.now()
        datapoint = Datapoint(at, value)
        payload = {'datapoints': [datapoint]}
        response = self.client.post(self.url(), data=payload)
        response.raise_for_status()
        return datapoint
Create a single new datapoint for this datastream.
dataset/ETHPy150Open xively/xively-python/xively/managers.py/DatapointsManager.create