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gh-127598: Improve ModuleNotFoundError when -S is passed (GH-136821)

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MonadChains 2025-07-20 14:33:58 +01:00 • committed by GitHub
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commit 18a7f5dad8
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3 changed files with 26 additions and 0 deletions
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19
Lib/test/test_traceback.py
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@ -4748,7 +4748,26 @@ class MiscTest(unittest.TestCase):
with self.assertRaises(TypeError):
_suggestions._generate_suggestions(MyList(), "")
def test_no_site_package_flavour(self):
code = """import boo"""
_, _, stderr = assert_python_failure('-S', '-c', code)
self.assertIn(
(b"Site initialization is disabled, did you forget to "
b"add the site-packages directory to sys.path?"), stderr
)
code = """
import sys
sys.stdlib_module_names = sys.stdlib_module_names + ("boo",)
import boo
"""
_, _, stderr = assert_python_failure('-S', '-c', code)
self.assertNotIn(
(b"Site initialization is disabled, did you forget to "
b"add the site-packages directory to sys.path?"), stderr
)
class TestColorizedTraceback(unittest.TestCase):