@classmethod
    def setUpClass(cls):
        cls._app = QtGui.QApplication([])
        cls._app.setQuitOnLastWindowClosed(False)
Given a list of reference values and a corresponding list of test
dataset/ETHPy150Open ipython/ipython-py3k/IPython/frontend/qt/console/tests/test_kill_ring.py/TestKillRing.setUpClass--crossover with--dataset/ETHPy150Open nltk/nltk/nltk/metrics/scores.py/log_likelihood