sudo apt-get install --yes python3-minimal
...
E: Failed to fetch http://deb.debian.org/debian/pool/main/p/python3.5/libpython3.5-minimal_3.5.3-1_amd64.deb 404 Not Found
E: Failed to fetch http://deb.debian.org/debian/pool/main/p/python3.5/python3.5-minimal_3.5.3-1_amd64.deb 404 Not Found
E: Failed to fetch http://deb.debian.org/debian/pool/main/p/python3.5/libpython3.5-stdlib_3.5.3-1_amd64.deb 404 Not Found
E: Failed to fetch http://deb.debian.org/debian/pool/main/p/python3.5/python3.5_3.5.3-1_amd64.deb 404 Not Found
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
Exited with code 100
This was failing with: