Install python tools

there may have been an assumption this was already installed:

TASK: [Add deluge ppa key] **************************************************** 
failed: [76.74.177.217] => {"failed": true, "item": ""}
msg: Could not import python modules: pycurl. Please install python-pycurl package.

FATAL: all hosts have already failed -- aborting

PLAY RECAP ******************************************************************** 
           to retry, use: --limit @/Users/tom/main.retry

76.74.177.217              : ok=1    changed=0    unreachable=0    failed=1