close python code block

Just closing the block.

![screenshot 2013-11-25 23 57 16](https://f.cloud.github.com/assets/2801090/1619959/faa66a74-5667-11e3-86e7-0e12e964917e.png)

I think you might be missing a config file for Jekyll in the repo. It's not possible to generate the docs locally because the custom tags aren't recognized.