ImportError: No module named stun && No matching distribution found for stun

[rafael-ribas]

Brief Description:

I have anaconda installed in my ubuntu 12.04 pc.

rafael@rafael-RV415:~/OpenBazaar-Server$ python openbazaard.py start --testnet
Traceback (most recent call last):
  File "openbazaard.py", line 7, in <module>
    import stun
ImportError: No module named stun
rafael@rafael-RV415:~/OpenBazaar-Server$ sudo pip install stun
The directory '/home/rafael/.cache/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
The directory '/home/rafael/.cache/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Collecting stun
  Could not find a version that satisfies the requirement stun (from versions: )
No matching distribution found for stun

Operating System (OS and version):

Ubuntu 12.04

[ghost]

Same. Ubuntu 16.04.

Update Found the reason why. Maybe there should be an setup script?