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bpo-46685: cover `TypeError` of `ForwardRef(1)` in `test_typing` (GH-31223) 

(cherry picked from commit d2d1d49eac)

Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
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Miss Islington (bot) 2022-02-09 07:12:32 -08:00 committed by GitHub
parent 76b072717a
commit bde3765a3f
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Lib/test/test_typing.py
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@ -2455,6 +2455,10 @@ def test_forwardref_subclass_type_error(self):
with self.assertRaises(TypeError):
issubclass(int, fr)
def test_forwardref_only_str_arg(self):
with self.assertRaises(TypeError):
typing.ForwardRef(1) # only `str` type is allowed
def test_forward_equality(self):
fr = typing.ForwardRef('int')
self.assertEqual(fr, typing.ForwardRef('int'))