def invalidate_module(self):
        reload(self.migration())
        self.migration._invalidate()
test that fetching a single row returns the correct results
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/South-1.0.2/south/migration/base.py/Migration.invalidate_module--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/cx_Oracle-5.1.2/test/IntervalVar.py/TestIntervalVar.testFetchOne