Error installing frappe

Hi there,
I am trying to install frappe framework on VPS System using command sudo python install.py --develop. The bench has been successfully installed and also i am facing error while using bench init frappe-bench && cd frappe-bench.
Am stuck please help.
I am getting the following error while using sudo python install.py --develop:

TASK [move /tmp/.bench if it exists] *******************************************
fatal: [localhost]: FAILED! => {“changed”: true, “cmd”: [“cp”, “-R”, “/tmp/.bench”, “/home/ujjawal/.bench”], “delta”: “0:00:00.001589”, “end”: “2016-10-01 13:21:17.119368”, “failed”: true, “rc”: 1, “start”: “2016-10-01 13:21:17.117779”, “stderr”: “cp: cannot create directory ‘/home/ujjawal/.bench’: Permission denied”, “stdout”: “”, “stdout_lines”: [], “warnings”: []}
to retry, use: --limit @develop/install.retry

PLAY RECAP *********************************************************************
localhost : ok=25 changed=2 unreachable=0 failed=1

Traceback (most recent call last):
File “install.py”, line 349, in
install_bench(args)
File “install.py”, line 108, in install_bench
run_playbook(‘develop/install.yml’, sudo=True, extra_vars=extra_vars)
File “install.py”, line 299, in run_playbook
success = subprocess.check_call(args, cwd=os.path.join(cwd, ‘playbooks’))
File “/usr/lib/python2.7/subprocess.py”, line 540, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command ‘[‘ansible-playbook’, ‘-c’, ‘local’, ‘develop/install.yml’, ‘-e’, ‘@/tmp/extra_vars.json’, ‘–become’, ‘–become-user=ujjawal’]’ returned non-zero exit status 2

Are u logged and running install script as ujjawal user?

Yes i am logged in ujjawal user.