if this can help
root@hk3r:~# cat /etc/*lsb-release
DISTRIB_ID=Debian
DISTRIB_RELEASE="Kali Linux 1.0"
DISTRIB_CODENAME=n/a
DISTRIB_DESCRIPTION="Debian GNU/Linux Kali Linux 1.0"
root@hk3r:~# more /etc/apt/sources.list
#
# deb cdrom:[Debian GNU/Linux 7.0 _Kali_ - Official Snapshot i386 LIVE/INSTALL Binary 2
0130311-20:38]/ kali contrib main non-free
#deb cdrom:[Debian GNU/Linux 7.0 _Kali_ - Official Snapshot i386 LIVE/INSTALL Binary 20
130311-20:38]/ kali contrib main non-free
deb
http://http.kali.org/kali kali main non-free contrib
deb-src
http://http.kali.org/kali kali main non-free contrib
## Security updates
deb
http://security.kali.org/kali-security kali/updates main contrib non-free
deb
http://repo.kali.org/kali kali-bleeding-edge main
#deb
http://ftp.us.debian.org/debian/ sid main non-free contrib
#deb
http://ftp.it.debian.org/debian wheezy main
root@hk3r:~# apt-cache search python-webkit
python-webkit - WebKit/Gtk Python bindings
python-webkit-dev - WebKit/Gtk Python bindings: development files
&&&& apt-get install .........