brutasse/graphite-api — pull request #88 by liyichao (2014-12-26 18:22:47+00:00)
Title: fix summarize 500 and also add some guards.

if len(timestamps) = len(series) - 1, then the code breaks and returns 500 to client.

This also fix https://github.com/brutasse/graphite-api/pull/83