def get_pool(self, key):
    return self._pools.get(key, None)
test that binding a long string succeeds
dataset/ETHPy150Open livid/v2ex/mapreduce/context.py/Context.get_pool--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/cx_Oracle-5.1.2/test/StringVar.py/TestStringVar.testBindLongString