I want to install Barbican without installing pyenv and creating virtualenv e.t.c

when i tried to do that I ran into this issue :- "pyenv: command not found"

any pointers or work arounds ?

TASK: [barbican | setup barbican] ********************************************* 
failed: [barbican-04] => {"changed": true, "cmd": "cd /root/barbican; bin/barbican.sh latest", "delta": "0:00:00.005827", "end": "2015-04-21 16:34:58.157378", "rc": 1, "start": "2015-04-21 16:34:58.151551", "warnings": []}
**stderr: bin/barbican.sh: line 8: pyenv: command not found**
stdout: DIR: /root/barbican/bin
Usage: barbican.sh  {install|start|stop|debug <debug_params>|restart}
where debug_params are: --pydev-debug-host <host> --pydev-debug-port <port>, <host> defaults to 'localhost' and <port> defaults to '5678'

FATAL: all hosts have already failed -- aborting

PLAY RECAP ******************************************************************** 
           to retry, use: --limit @/home/neetu/site.retry

barbican-04                : ok=4    changed=0    unreachable=0    failed=1