'Run a pipeline with self.seeded_random_engine.'

def run_pipeline(self, pipeline, start_date, end_date):

    if (start_date not in self.trading_days):
        raise AssertionError(('Start    date    not    in    calendar:    %s' % start_date))
    if (end_date not in self.trading_days):
        raise AssertionError(('End    date    not    in    calendar:    %s' % end_date))
    return self.seeded_random_engine.run_pipeline(pipeline, start_date, end_date)
