Dmitry Kazakov added the comment:

In order to load and compile the module code, runpy calls the loader's get_code 
method. Because that happens outside of the normal import process, and 
PyImport_ImportModuleLevelObject is currently the only place where 
remove_importlib_frames is being invoked, tracebacks of exceptions occurring in 
get_code are kept unmodified.

Would it be wrong to drop all importlib frames from all unhandled exceptions, 
except when the -v flag is present? On the other hand, since the patch from 
#issue15486 seems to work fine in most scenarios, I propose removing both runpy 
and importlib traceback entries locally inside the runpy module. There may be 
better solutions, though...

In any case, I'm willing to write a patch.

----------
nosy: +vaultah

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<http://bugs.python.org/issue16217>
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