I have found that my using setcap on python interpreter to grant python permission to bind ports under 1024 is causing the problem. Using 'setcap cap_net_bind_service=+ep /usr/bin/python2.7' prevents python to import C extensions correctly.
I have found that my using setcap on python interpreter to grant python permission to bind ports under 1024 is causing the problem. Using 'setcap cap_net_ bind_service= +ep /usr/bin/python2.7' prevents python to import C extensions correctly.