Bug#256604: Can't exec "0"

[Joshua Kwan <joshk@triplehelix.org>]

Package: tasksel
Version: 1.52
Severity: important

After quitting aptitude without installing anything:

Can't exec "0": No such file or directory at /usr/bin/tasksel line 252.

$0 maybe?

-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.7-mm3
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (ignored: LC_ALL set to en_US.UTF-8)

Versions of packages tasksel depends on:
ii  libc6                       2.3.2.ds1-13 GNU C Library: Shared libraries an
ii  libtextwrap1                0.1-1        text-wrapping library with i18n - 
ii  slang1a-utf8                1.4.9-4      The S-Lang programming library wit