Éric Araujo added the comment:
Fix is simple:
--- a/Lib/importlib/_bootstrap.py
+++ b/Lib/importlib/_bootstrap.py
@@ -1519,7 +1519,7 @@ def _find_and_load_unlocked(name, import
path = parent_module.__path__
except AttributeError:
msg = (_ERR_MSG + '; {} is not a package').format(name, parent)
- raise ImportError(msg, name=name)
+ raise ImportError(msg, name=name) from None
Manual testing confirms the fix. Is a unit test needed? Should this wait for
3.5?
----------
nosy: +eric.araujo
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue19257>
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