Surprisingly the mro fixes only a single test, which had a problem in its mocking attributes not being found when setting `__iter__` at line 1482.
@@ -1469,8 +1469,6 @@ class CoroutineTests(unittest.TestCase):
self.assertIs(foo(), coro)
self.assertIs(foo().__await__(), coro)
- # TODO: RUSTPYTHON
- @unittest.expectedFailure
def test_duck_gen(self):
class GenLike:
def send(self): pass
