pypy/module/cpyext/test/test_datetime.py::TestDatetime::()::test_basicsize[Delta]

self = <pypy.module.cpyext.test.test_datetime.TestDatetime object at 0x7f98d0848b50>
space = StdObjSpace, name = 'Delta'

    @pytest.mark.parametrize('name', ['Time', 'DateTime', 'Date', 'Delta'])
    def test_basicsize(self, space, name):
        datetime = _PyDateTime_Import(space)
        py_size = getattr(datetime, "c_%sType" % name).c_tp_basicsize
        c_size = rffi.sizeof(cts.gettype("PyDateTime_%s" % name))
>       assert py_size == c_size
E       assert 24 == 40

module/cpyext/test/test_datetime.py:124: AssertionError

builder: own-linux-x86-64 build #10883+

test: pypy/module/cpyext/test/test_datetime.py::TestDatetime::()::test_basicsize[Delta]