Issue in wkhtmltopdf link is down. unable to install erpnext

I’ve just tried again from scratch. This is what I get:

wget https://raw.githubusercontent.com/frappe/bench/master/install_scripts/setup_frappe.sh21
–2016-07-08 14:48:41-- https://raw.githubusercontent.com/frappe/bench/master/install_scripts/setup_frappe.sh21
Resolving raw.githubusercontent.com (raw.githubusercontent.com)… 151.101.36.133
Connecting to raw.githubusercontent.com (raw.githubusercontent.com)|151.101.36.133|:443… connected.
HTTP request sent, awaiting response… 200 OK
Length: 14251 (14K) [text/plain]
Saving to: ‘setup_frappe.sh.3’

setup_frappe.sh.3 100%[===================>] 13.92K 39.9KB/s in 0.3s

2016-07-08 14:48:54 (39.9 KB/s) - ‘setup_frappe.sh’ saved [14251/14251]

mike@mike-HP-ProBook-4520s:~$ sudo bash setup_frappe.sh --setup-production
[sudo] password for mike:
Installing for Ubuntu xenial amd64
In case you encounter an error, you can post on https://discuss.frappe.io4

Adding ubuntu mariadb repo
Installing packages for Ubuntu. This might take time…
Installing wkhtmltopdf
–2016-07-08 14:54:51-- http://download.gna.org/wkhtmltopdf/0.12/0.12.2.1/wkhtmltox-0.12.2.1_linux-xenial-amd64.deb6
Resolving download.gna.org (download.gna.org)… 78.40.125.79
Connecting to download.gna.org (download.gna.org)|78.40.125.79|:80… connected.
HTTP request sent, awaiting response… 404 Not Found
2016-07-08 14:54:52 ERROR 404: Not Found.

@dineshpanchal432,

Please pull the latest changes in bench repo, using git pull then try bench update

setup_frappe.sh its not supported anymore.

Use https://github.com/frappe/bench#easy-install