hellanzb crashed with ImportError in <module>()

[terry_gardener]

Binary package hint: hellanzb

when i am trying to load hellanzb, it crashes and doesn't load .
terminal output
/usr/lib/python2.6/dist-packages/twisted/internet/default.py:15: DeprecationWarning: twisted.internet.default is deprecated. Use posixbase or selectreactor instead.
  warnings.warn("twisted.internet.default is deprecated. Use posixbase or selectreactor instead.", category=DeprecationWarning)
Traceback (most recent call last):
  File "/usr/bin/hellanzb", line 14, in <module>
    from Hellanzb.Core import main
  File "/usr/lib/pymodules/python2.6/Hellanzb/Core.py", line 9, in <module>
    from Hellanzb.HellaReactor import HellaReactor
  File "/usr/lib/pymodules/python2.6/Hellanzb/HellaReactor.py", line 18, in <module>
    from twisted.internet.default import _NO_FILENO
ImportError: cannot import name _NO_FILENO

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: hellanzb 0.13-5.4
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic-pae 2.6.32.10+drm33.1
Uname: Linux 2.6.32-17-generic-pae i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Sat Mar 27 15:50:00 2010
ExecutablePath: /usr/bin/hellanzb
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100108)
InterpreterPath: /usr/bin/python2.6
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/hellanzb
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_GB.utf8
PythonArgs: ['/usr/bin/hellanzb']
SourcePackage: hellanzb
Title: hellanzb crashed with ImportError in <module>()
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare vboxusers

[Alex Vaystikh (bornio)]

Applying the patch from http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=573221 solved my problem.
I've attached it for quick access.