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bpo-37444: Update differing exception between builtins and importlib (GH-14869)

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Imports now raise `TypeError` instead of `ValueError` for relative import failures. This makes things consistent between `builtins.__import__` and `importlib.__import__` as well as using a more natural import for the failure.


https://bugs.python.org/issue37444



Automerge-Triggered-By: @brettcannon
This commit is contained in:
Ngalim Siregar 2019-08-03 12:46:02 +07:00 • committed by Miss Islington (bot)
parent 8e568ef266
commit c5fa44944e
9 changed files with 134 additions and 108 deletions
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6
Lib/test/test_importlib/test_util.py
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@ -375,7 +375,7 @@ class ResolveNameTests:
def test_no_package(self):
# .bacon in ''
with self.assertRaises(ValueError):
with self.assertRaises(ImportError):
self.util.resolve_name('.bacon', '')
def test_in_package(self):
@ -390,7 +390,7 @@ class ResolveNameTests:
def test_escape(self):
# ..bacon in spam
with self.assertRaises(ValueError):
with self.assertRaises(ImportError):
self.util.resolve_name('..bacon', 'spam')
@ -518,7 +518,7 @@ class FindSpecTests:
with util.temp_module(name, pkg=True) as pkg_dir:
fullname, _ = util.submodule(name, subname, pkg_dir)
relname = '.' + subname
with self.assertRaises(ValueError):
with self.assertRaises(ImportError):
self.util.find_spec(relname)
self.assertNotIn(name, sorted(sys.modules))
self.assertNotIn(fullname, sorted(sys.modules))