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bpo-37976: Prevent shadowing of TypeError in zip() (GH-15592) (GH-15608)

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(cherry picked from commit 6a650aaf77)

Co-authored-by: Sergey Fedoseev <fedoseev.sergey@gmail.com>
This commit is contained in:
Miss Islington (bot) 2019-08-29 23:23:17 -07:00 • committed by Raymond Hettinger
parent c19d6bca55
commit 27f418640c
4 changed files with 24 additions and 8 deletions
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12
Lib/test/test_itertools.py
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@ -971,6 +971,18 @@ class TestBasicOps(unittest.TestCase):
self.pickletest(proto, zip_longest("abc", "defgh", fillvalue=1))
self.pickletest(proto, zip_longest("", "defgh"))
def test_zip_longest_bad_iterable(self):
exception = TypeError()
class BadIterable:
def __iter__(self):
raise exception
with self.assertRaises(TypeError) as cm:
zip_longest(BadIterable())
self.assertIs(cm.exception, exception)
def test_bug_7244(self):
class Repeater: