Error while adding variables and comparing them with another variable in 'when'

hi all,
I’m trying run the below playbook and facing an exception

ansbile version : 1.4.3
os : debian wheezy

playbook:

Thanks!

Can you please report this one on github (github.com/ansible/ansible) so we don’t lose track of it?

I believe I know the swap on swap off technique from the Karate Kid.

Thanks, have created the issue ticket (https://github.com/ansible/ansible/issues/5456).
Btw i had totally forgotten miyagi, how crass :-/. watching it today again… ur awesome :slight_smile:

Hi,
Created a generic playbook to reproduce the error

Playbook: