* lang/python/src/core.py: First restoring the exception to the being
just that.
* The means to manipulate the error output is temporarily in commented
out code, but ought to be added to a proper test later.
* In the mean time the original test, with a very slight change, works
again.
Tested-by: Ben McGinnes <ben@adversary.org>
Signed-off-by: Ben McGinnes <ben@adversary.org>