def DocumentStart(self, event, loader):
test that the "hasparent" flag works properly
dataset/ETHPy150Open CollabQ/CollabQ/.google_appengine/google/appengine/api/yaml_listener.py/EventHandler.DocumentStart--crossover with--dataset/ETHPy150Open zzzeek/sqlalchemy/test/orm/test_attributes.py/AttributesTest.test_lazytrackparent