I discovered the root cause of the issue by comparing the output of `pip
freeze` on both servers.
Apparently on the upgraded server cryptography-1.9 was installed in
`/usr/local/python2.7/dist-packages`, while overriding python-
cryptography package.
Running `sudo pip uninstall cryptography`
I experience the same issue after upgrading from 14.04.5 to 16.04.3.
Other server where 16.04.3 has been installed from fresh doesn't have
the issue.
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: pyopenssl (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1733311
Title:
Just started hitting this as well. Simply importing the OpenSSL library
raises the AttributeError:
adam@amebix:~$ python -c 'import OpenSSL'
Traceback (most recent call last):
File "", line 1, in
File "/usr/lib/python2.7/dist-packages/OpenSSL/__init__.py", line 8, in
from OpenSSL
** Tags added: xenial
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https://bugs.launchpad.net/bugs/1733311
Title:
pip crashes at startup importing from OpenSSL
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