whoopsie-upload-all crashed with SIGSEGV in visit_decref()

I don't know. The notification area just started showing a slew of red bugs.

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: kubuntu-notification-helper 15.04ubuntu5
ProcVersionSignature: Ubuntu 3.19.0-12.12-generic 3.19.3
Uname: Linux 3.19.0-12-generic x86_64
ApportVersion: 2.17-0ubuntu1
Architecture: amd64
CurrentDesktop: KDE
Date: Sun Apr 5 15:01:03 2015
ExecutablePath: /usr/share/kubuntu-notification-helper/whoopsie-upload-all
InstallationDate: Installed on 2015-03-22 (14 days ago)
InstallationMedia: Kubuntu 15.04 "Vivid Vervet" - Alpha amd64 (20150320)
InterpreterPath: /usr/bin/python3.4
ProcCmdline: /usr/bin/python3 /usr/share/kubuntu-notification-helper/whoopsie-upload-all
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x546910: mov 0x8(%rdi),%rax
 PC (0x00546910) ok
 source "0x8(%rdi)" (0x7fb260af2a10) in non-readable VMA region: 0x7fb260903000-0x7fb260b03000 ---p /lib/x86_64-linux-gnu/libz.so.1.2.8
 destination "%rax" ok
SegvReason: reading VMA /lib/x86_64-linux-gnu/libz.so.1.2.8
Signal: 11
SourcePackage: kubuntu-notification-helper
StacktraceTop:
 ?? ()
 ?? ()
 ?? ()
 PyGC_Collect ()
 Py_Finalize ()
Title: whoopsie-upload-all crashed with SIGSEGV in PyGC_Collect()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo