End of stack trace:
File "/usr/lib/python2.7/random.py", line 47, in <module>
from os import urandom as _urandom
ImportError: cannot import name urandom
There was a problem importing our SSH library (see traceback above).
Not an issue in 11.10. Problem started after I upgraded to 12.04. How can I fix it?
I was able to resolve it by following the suggestion in this comment on this bug report and re-running virtualenv on my virtualenv directory: