autotrash crashed with NameError in on_remove_error(): global name 'execinfo' is not defined

Binary package hint: autotrash

I installed the autotrash package and ran the command 'autotrash -d 30' with about 4 GB of files in my Trash folder. autotrash crashed with this traceback:

Traceback (most recent call last):
  File "/usr/bin/autotrash", line 317, in <module>
    sys.exit(main(sys.argv))
  File "/usr/bin/autotrash", line 304, in main
    purge(options.trash_path, file_info['trash_info'], options.dryrun)
  File "/usr/bin/autotrash", line 82, in purge
    shutil.rmtree(target, False, on_remove_error)
  File "/usr/lib/python2.7/shutil.py", line 244, in rmtree
    rmtree(fullname, ignore_errors, onerror)
  File "/usr/lib/python2.7/shutil.py", line 244, in rmtree
    rmtree(fullname, ignore_errors, onerror)
  File "/usr/lib/python2.7/shutil.py", line 249, in rmtree
    onerror(os.remove, fullname, sys.exc_info())
  File "/usr/bin/autotrash", line 36, in on_remove_error
    if execinfo[0] == errno.EPERM:
NameError: global name 'execinfo' is not defined

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: autotrash 0.1.4-1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
Architecture: i386
Date: Fri Apr 15 09:45:12 2011
ExecutablePath: /usr/bin/autotrash
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/autotrash -d 30
ProcEnviron:
 SHELL=bash
 PATH=(custom, user)
 LANG=en_US.UTF-8
 LANGUAGE=en_US:en
PythonArgs: ['/usr/bin/autotrash', '-d', '30']
SourcePackage: autotrash
Title: autotrash crashed with NameError in on_remove_error(): global name 'execinfo' is not defined
UpgradeStatus: Upgraded to natty on 2011-04-13 (1 days ago)
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin mail netdev plugdev powerdev sambashare scanner video