def onClickCancel(self):
        pass
Check to see whether a given management commands is available
dataset/ETHPy150Open anandology/pyjamas/library/pyjamas/ui/CustomButton.py/CustomButton.onClickCancel--crossover with--dataset/ETHPy150Open garethr/django-test-extensions/src/test_extensions/examples/examples.py/Examples.test_presense_of_management_command