I think this is no longer a bug. This is related to Python issue 19021 and all fixes were cherry picked into 3.4.0, which Trusty and Utopic have. If you are still able to reproduce it, please reopen the bug and provide a recipe on whichever version of Ubuntu you're using. Thanks!
** Changed in: python-gnupg (Ubuntu) Status: Confirmed => Fix Released ** Bug watch added: Python Roundup #19021 http://bugs.python.org/issue19021 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to python-gnupg in Ubuntu. https://bugs.launchpad.net/bugs/1283783 Title: Error upgrading python3-gnupg Status in “python-gnupg” package in Ubuntu: Fix Released Bug description: Setting up python3-gnupg (0.3.6-1) ... Exception ignored in: <bound method Popen.__del__ of <subprocess.Popen object at 0xb707418c>> Traceback (most recent call last): File "/usr/lib/python3.4/subprocess.py", line 897, in __del__ TypeError: 'NoneType' object is not callable Exception ignored in: <bound method Popen.__del__ of <subprocess.Popen object at 0xb707426c>> Traceback (most recent call last): File "/usr/lib/python3.4/subprocess.py", line 897, in __del__ TypeError: 'NoneType' object is not callable Setting up python3-pyparsing (2.0.1+dfsg1-1build1) ... Setting up python-dirspec (13.10-0ubuntu2) ... Setting up python3-dirspec (13.10-0ubuntu2) ... Processing triggers for libc-bin (2.18-0ubuntu7) ... ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: python3-gnupg 0.3.6-1 ProcVersionSignature: Ubuntu 3.13.0-11.31-generic 3.13.3 Uname: Linux 3.13.0-11-generic i686 ApportVersion: 2.13.2-0ubuntu5 Architecture: i386 CurrentDesktop: Unity Date: Sun Feb 23 20:08:49 2014 InstallationDate: Installed on 2014-02-08 (14 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha i386 (20140208) PackageArchitecture: all SourcePackage: python-gnupg UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-gnupg/+bug/1283783/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp