anjuta crashed with SIGSEGV in gtk_source_completion_model_iter_last()

It happened in python source code completion.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: anjuta 2:3.2.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-13.22-generic 3.0.6
Uname: Linux 3.0.0-13-generic i686
ApportVersion: 1.23-0ubuntu4
Architecture: i386
CrashCounter: 1
Date: Tue Nov 22 10:16:03 2011
ExecutablePath: /usr/bin/anjuta
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110112)
ProcCmdline: anjuta experiment_1.py
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
SegvAnalysis:
 Segfault happened at: 0xd1c1aa <gtk_source_completion_model_iter_last+138>: mov (%eax),%edx
 PC (0x00d1c1aa) ok
 source "(%eax)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: anjuta
StacktraceTop:
 gtk_source_completion_model_iter_last () from /usr/lib/libgtksourceview-3.0.so.0
 ?? () from /usr/lib/libgtksourceview-3.0.so.0
 ?? () from /usr/lib/libgtksourceview-3.0.so.0
 ?? () from /usr/lib/libgtksourceview-3.0.so.0
 ?? () from /usr/lib/libgtksourceview-3.0.so.0
Title: anjuta crashed with SIGSEGV in gtk_source_completion_model_iter_last()
UpgradeStatus: Upgraded to oneiric on 2011-09-27 (56 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors: (gnome-settings-daemon:1524): GLib-CRITICAL **: g_variant_new_string: assertion `string != NULL' failed