python2.7 crashed with SIGSEGV in wxGetTopLevelParent()

[Diska]

from apport after start of tribbel http://www.tribler.org/trac

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: python2.7-minimal 2.7.3~rc1-1ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-18.29-generic 3.2.9
Uname: Linux 3.2.0-18-generic x86_64
ApportVersion: 1.94.1-0ubuntu2
Architecture: amd64
Date: Sun Mar 11 10:39:25 2012
Disassembly: => 0x0: Cannot access memory at address 0x0
ExecutablePath: /usr/bin/python2.7
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcCmdline: python -O Tribler/Main/tribler.py
SegvAnalysis:
 Segfault happened at: 0x0: Cannot access memory at address 0x0
 PC (0x00000000) not located in a known VMA region (needed executable region)!
SegvReason: executing NULL VMA
Signal: 11
SourcePackage: python2.7
StacktraceTop:
 ?? ()
 wxGetTopLevelParent(wxWindow*) () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0
 wxWindowBase::~wxWindowBase() () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0
 wxTreeCtrl::~wxTreeCtrl() () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0
 wxWindowBase::DestroyChildren() () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0
Title: python2.7 crashed with SIGSEGV in wxGetTopLevelParent()
UpgradeStatus: Upgraded to precise on 2012-02-25 (14 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

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