def get_number_of_elements(self):
        print "[ERROR Data::get_number_of_elements] This method must be overriden. Exiting..."
        exit()
Test what happens when coerce functions raise errors.
dataset/ETHPy150Open victor-gil-sepulveda/pyProCT/pyproct/data/handler/data.py/Data.get_number_of_elements--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/test/test_usage.py/WrongTypedTestCase.test_weirdCallable