A Python script of mine is failing with:
Traceback (most recent call last):
File \"./inspect_sheet.py\", line 21, in
main()
File \"./i
I just encountered this on my Ubuntu 16.04 host. There appears to be a version conflict between the apt repo packages for python-openssl and python-crypotgraphy, vs what someone installed manually with pip into /usr/local/python2.7/dist-packages.
Once it got into this state, the system standard pip couldn't execute, either. I got around the chicken-and-egg problem by manually setting a PYTHONPATH environment variable that excluded the /usr/local part of the tree thusly:
$ export PYTHONPATH="/usr/lib/python2.7:/usr/lib/python2.7/plat-x86_64-linux-gnu:/usr/lib/python2.7/lib-tk:/usr/lib/python2.7/lib-old:/usr/lib/python2.7/lib-dynload:/usr/lib/python2.7/dist-packages:/usr/lib/python2.7/dist-packages/gtk-2.0"
$ /usr/bin/pip uninstall cryptography
$ unset PYTHONPATH
I acquired the above list of library directories to use with the python shell:
import sys
for p in sys.path:
print(p)
and then copying everything listed except the one /usr/local directory. Your system may have a different list in its path. Adjust accordingly.
I also had some manual apt-get install --reinstall python-openssl python-cryptography commands scattered in my bash history, which may or may not have been necessary.