Berker Peksag added the comment:
There are two different problems here:
1. There is a possible networking issue. I'd try to use a proxy or something
like that.
2. You are using a pip patched by Ubuntu/Debian developers. pip is normally a
self-contained package and they use their own version
New submission from antonio95100 :
Hi all. I'm struggling with the installation of a pyton package under Ubuntu
16.4 and Python 7. I follow the statements of the pakage authors, but I obtaint
the following errors (note that I have the same error for different packages
installation attempt). An