graphite-project/graphite-web — pull request #165 by grosskur (2013-03-09 02:57:06+00:00)
Title: Require pyparsing<2.0.0 in requirements.txt

pyparsing 2.0.0 only supports Python 3.x, and trying to install it on
Python 2.x fails with an error:

Traceback (most recent call last):
[...]
File "pyparsing.py", line 629
nonlocal limit,foundArity
^
SyntaxError: invalid syntax

See http://sourceforge.net/projects/pyparsing/forums/forum/337293/topic/6481050