> Please provide the output of the following commands: Here you are
> $ dpkg -l python-xlib ii python-xlib 0.20-3 all interface for Python to the X11 protocol > $ dpkg -l python-six ii python-six 1.11.0-2 all Python 2 and 3 compatibility library (Python 2 interface) > $ find /usr/local -name six.py /usr/local/lib/python2.7/dist-packages/six.py /usr/local/lib/python2.7/dist-packages/ecdsa/six.py Thanks, Francesco