def getContentLength(self):
        raise NotImplementedError
standard auth hook on the "requests" request r
dataset/ETHPy150Open rwl/muntjac/muntjac/terminal/stream_variable.py/IStreamingEvent.getContentLength--crossover with--dataset/ETHPy150Open django-salesforce/django-salesforce/salesforce/auth.py/SalesforceAuth.__call__