python2.7 crashed with SIGSEGV in gst_mini_object_init()

[Muelli]

python -c 'from gi.repository import Gst; Gst.Caps.from_string("image/png")'

This is probably not a bug in Python, but either in GStreamer of the gi bindings.

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: python2.7-minimal 2.7.9-2ubuntu3
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
CrashCounter: 1
CurrentDesktop: GNOME
Date: Thu Apr 9 11:58:33 2015
ExecutablePath: /usr/bin/python2.7
ProcCmdline: python -c from\ gi.repository\ import\ Gst;\ Gst.Caps.from_string("image/png")
SegvAnalysis:
 Segfault happened at: 0x7fd9f00863cf <gst_mini_object_init+31>: mov 0x8(%rax),%eax
 PC (0x7fd9f00863cf) ok
 source "0x8(%rax)" (0x00000008) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: python2.7
StacktraceTop:
 gst_mini_object_init () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
 gst_caps_new_empty () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
 gst_caps_from_string () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
 ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
 ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
Title: python2.7 crashed with SIGSEGV in gst_mini_object_init()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip kvm libvirtd lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 gst_mini_object_init (mini_object=0x10fd2d0, flags=0, type=0, copy_func=0x7fd9f0062830 <_gst_caps_copy>, dispose_func=0x0, free_func=0x7fd9f00618e0 <_gst_caps_free>) at gstminiobject.c:133
 gst_caps_init (caps=<optimized out>) at gstcaps.c:209
 gst_caps_new_empty () at gstcaps.c:239
 gst_caps_from_string (string=0x110c080 "image/png") at gstcaps.c:2340
 ffi_call_unix64 () at ../src/x86/unix64.S:76