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bpo-38979: fix ContextVar "__class_getitem__" method (GH-17497)

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now contextvars.ContextVar "__class_getitem__" method returns ContextVar class, not None. 


https://bugs.python.org/issue38979



Automerge-Triggered-By: @asvetlov
This commit is contained in:
AMIR 2019-12-08 15:05:59 +03:30 • committed by Miss Islington (bot)
parent 00ada2c1d5
commit 28c91631c2
3 changed files with 9 additions and 6 deletions
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7
Lib/test/test_context.py
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@ -38,9 +38,6 @@ class ContextTest(unittest.TestCase):
self.assertNotEqual(hash(c), hash('aaa'))
def test_context_var_new_2(self):
self.assertIsNone(contextvars.ContextVar[int])
@isolated_context
def test_context_var_repr_1(self):
c = contextvars.ContextVar('a')
@ -361,6 +358,10 @@ class ContextTest(unittest.TestCase):
tp.shutdown()
self.assertEqual(results, list(range(10)))
def test_contextvar_getitem(self):
clss = contextvars.ContextVar
self.assertEqual(clss[str], clss)
# HAMT Tests