Change in vdsm[master]: python3: Fix UUID packing/unpacking on python 3

[Code Review]

From Dan Kenigsberg :

Dan Kenigsberg has posted comments on this change.

Change subject: python3: Fix UUID packing/unpacking on python 3
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Patch Set 9: Code-Review-1

(2 comments)

https://gerrit.ovirt.org/#/c/78632/9/tests/storage/misc_test.py
File tests/storage/misc_test.py:

Line 453: 
Line 454: 
Line 455: class TestUuidPack(VdsmTestCase):
Line 456: 
Line 457:     def test(self):
this test is not good enough for this refactoring: you'd probably want to prove that you do not change existing packing.

please consider adding such a test before merging.
Line 458:         """
Line 459:         Test that the uuid that was packed can be unpacked without being
Line 460:         changed
Line 461:         """

PS9, Line 463: uuid.uuid4()
unrelated to this patch: randomness in tests is a liability. if this test fails once in a million, we would not notice.