It seems it was only bad on FR debian mirror: deb http://ftp.fr.debian.org/debian/ sid main non-free contrib
7341b7e1bbc8cf105597bfdfe3b55659 /var/cache/apt/archives/libpython2.7_2.7.3-8_amd64.deb Downloading from US and installed with no problem. Sorry guys -- Marc Rios
