graphite-project/graphite-web — pull request #161 by faulkner (2013-03-06 22:19:50+00:00)
Title: Pin pyparsing to 1.5.7 since 2.0.0 doesn't support python <3.0

Pyparsing 2.0.0 only works for python 3.0. Pin to 1.5.7 to keep the installer from blowing up.