def create_secret_key():
    return ''.join(random.choice(string.ascii_letters + string.digits) for i in range(30))
Test that cancelling a DelayedCall which has already been cancelled
dataset/ETHPy150Open agconti/cookiecutter-django-rest/{{cookiecutter.github_repository_name}}/fabfile.py/create_secret_key--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/test/test_internet.py/TimeTestCase.test_cancelCancelledDelayedCall