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/local/lib/python2.7/dist-packages/certbot/main.py", line 7, in <module>

import zope.component


 "/opt/eff.org/certbot/venv/local/lib/python2.7/dist-packages/zope/component/__init__.py", line 16, in <module>

from zope.interface import Interface
ImportError: No module named interface

Traceback (most recent call last):


 "<stdin>", line 1, in <module>
ImportError: cannot import name merge
