def _root_transform(self):
    return self.transforms_stack[0]
Sum some county-level results for 2008 general election and compare with known totals
dataset/ETHPy150Open GoogleCloudPlatform/DataflowPythonSDK/google/cloud/dataflow/pipeline.py/Pipeline._root_transform--crossover with--dataset/ETHPy150Open openelections/openelections-core/openelex/us/md/validate/__init__.py/validate_results_2008_general