race condition i saw in CI, possibly peturbed by refactoring - reproducible in

master with a time.sleep at start of handle_app_update

 parsl/tests/test_python_apps/test_memoize_1.py F

=================================== FAILURES ===================================
___________________________ test_python_memoization ____________________________

n = 2

    def test_python_memoization(n=2):
        """Testing python memoization disable
        """
        x = random_uuid(0)
        print(x.result())

        for i in range(0, n):
            foo = random_uuid(0)
            print(foo.result())
>           assert foo.result() == x.result(), "Memoized results were not used"
E           AssertionError: Memoized results were not used
E           assert '5b0257bd-5f3...-b92272ab819a' == '36de5e19-c88...-9292b781a5a4'
E             - 36de5e19-c884-45cd-bf03-9292b781a5a4
E             + 5b0257bd-5f3c-4da6-a288-b92272ab819a

Author: benclifford