Traceback (most recent call last):


 "/opt/eff.org/certbot/venv/bin/letsencrypt", line 7, in <module>

from certbot.main import main


 "/opt/eff.org/certbot/venv/lib/python2.7/site-packages/certbot/main.py", line 3, in <module>

from __future__ import print_function
ImportError: No module named __future__

Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "/usr/lib/python3.5/site-packages/cantools/__init__.py", line 7, in <module>

from .subparsers import monitor as _monitor


 "/usr/lib/python3.5/site-packages/cantools/subparsers/monitor.py", line 4, in <module>

import curses


 "/usr/lib/python3.5/curses/__init__.py", line 13, in <module>

from _curses import *
ImportError: No module named '_curses'
