Updated to latest release. From CHANGES.txt:

2.7.3.32 - 2012-08-16
---------------------
- Fixed compatibility with Python 3.3
- Process boostrap: Now ignores errors while flushing stdout (Issue #16).

parallel/py-billiard/Makefile

@@ -1,9 +1,10 @@
-# $NetBSD: Makefile,v 1.2 2013/07/28 20:41:41 wiz Exp $
+# $NetBSD: Makefile,v 1.3 2013/09/20 12:21:48 rodent Exp $
 
-DISTNAME=	billiard-2.7.3.31
+DISTNAME=	billiard-2.7.3.32
 PKGNAME=	${PYPKGPREFIX}-${DISTNAME}
 CATEGORIES=	parallel
 MASTER_SITES=	http://pypi.python.org/packages/source/b/billiard/
+FETCH_USING=	curl
 
 MAINTAINER=	[email protected]
 HOMEPAGE=	http://github.com/celery/billiard

parallel/py-billiard/distinfo

@@ -1,5 +1,5 @@
-$NetBSD: distinfo,v 1.2 2013/07/28 20:41:41 wiz Exp $
+$NetBSD: distinfo,v 1.3 2013/09/20 12:21:48 rodent Exp $
 
-SHA1 (billiard-2.7.3.31.tar.gz) = 12193cea9528b8c2c2526545eb3de2b8db17f6d2
-RMD160 (billiard-2.7.3.31.tar.gz) = 2da2559937c545829559b4a2065abf20be315acc
-Size (billiard-2.7.3.31.tar.gz) = 134743 bytes
+SHA1 (billiard-2.7.3.32.tar.gz) = 6e92a145c3171fa8ece75412bd87888f73215281
+RMD160 (billiard-2.7.3.32.tar.gz) = 10772370b06da7147608c0ece7dadc39d1da6c69
+Size (billiard-2.7.3.32.tar.gz) = 134769 bytes