Update Python to v3.0

[jannis]

Hello

ERPNext with Ubuntu 18.04.3 Server

https://discuss.frappe.io/t/ernnext-v12-x-x-with-centos-7-or-better-centos-8-easy-install-should-work-at-11-jan-2020/56861/2?u=jannis Try with: https://github.com/frappe/bench#easy-install

I would install Ubuntu 18.04 or Debian 10 Buster with the Easy-Install Script.