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bpo-32467: Let collections.abc.ValuesView inherit from Collection (#5152)

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Raymond Hettinger 2018-01-11 21:53:49 -08:00 • committed by GitHub
parent 782d6fe443
commit 02556fbade
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4 changed files with 6 additions and 4 deletions
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Lib/test/test_collections.py
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@ -843,13 +843,13 @@ class TestOneTrickPonyABCs(ABCTestCase):
self.assertFalse(issubclass(type(x), Collection), repr(type(x)))
# Check some non-collection iterables
non_col_iterables = [_test_gen(), iter(b''), iter(bytearray()),
(x for x in []), dict().values()]
(x for x in [])]
for x in non_col_iterables:
self.assertNotIsInstance(x, Collection)
self.assertFalse(issubclass(type(x), Collection), repr(type(x)))
# Check some collections
samples = [set(), frozenset(), dict(), bytes(), str(), tuple(),
list(), dict().keys(), dict().items()]
list(), dict().keys(), dict().items(), dict().values()]
for x in samples:
self.assertIsInstance(x, Collection)
self.assertTrue(issubclass(type(x), Collection), repr(type(x)))