python27Packages.spyder: 3.2.7 -> 3.2.8

Semi-automatic update generated by https://github.com/ryantm/nix-update tools.

This update was made based on information from https://repology.org/metapackage/spyder/versions.

These checks were done:

- built on NixOS
- Warning: no binary found that responded to help or version flags. (This warning appears even if the package isn't expected to have binaries.)
- found 3.2.8 with grep in /nix/store/q075j1pw2p0j7wldlcq0mx2kj018fgn4-spyder-3.2.8
- directory tree listing: https://gist.github.com/354834c75ad6240801f447820cd9067e