def get_sha1(payload):
    return hashlib.sha1(payload).hexdigest()
Can the garbage collector clean up a cycle with new style class?
dataset/ETHPy150Open PUNCH-Cyber/stoq/stoq-framework/scan.py/get_sha1--crossover with--dataset/ETHPy150Open enthought/traits/traits/tests/test_trait_cycle.py/TestCase.test_simple_cycle_newstyle_class