Created attachment 41298 [details] remove double entry for errors.py from Makefile.am Makefile.am tries to isntall twice errors.py, attached patch solves the issue.
Thanks for the fix, I pushed your patch to master. In future, a "git format-patch" patch would be appreciated even more as it is then easier to retain your details for your contribution. Thanks!
*** Bug 36962 has been marked as a duplicate of this bug. ***
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