From 21ae679db789478f18497289ee1798c94e80b984 Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl>
Date: Wed, 24 Jan 2018 14:00:57 +0100
Subject: [PATCH] python.pkgs.matplotlib: fix optional dependency

---
 pkgs/development/python-modules/matplotlib/default.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/matplotlib/default.nix b/pkgs/development/python-modules/matplotlib/default.nix
index 33505b5f6187..49bdfa8dc087 100644
--- a/pkgs/development/python-modules/matplotlib/default.nix
+++ b/pkgs/development/python-modules/matplotlib/default.nix
@@ -8,6 +8,7 @@
 , enableQt ? false, pyqt4
 , libcxx
 , Cocoa
+, pythonOlder
 }:
 
 assert enableGhostscript -> ghostscript != null;
@@ -39,8 +40,8 @@ buildPythonPackage rec {
 
   propagatedBuildInputs =
     [ cycler dateutil nose numpy pyparsing tornado freetype
-      libpng pkgconfig mock pytz backports_functools_lru_cache
-    ]
+      libpng pkgconfig mock pytz ]
+    ++ stdenv.lib.optional (pythonOlder "3.3") backports_functools_lru_cache
     ++ stdenv.lib.optional enableGtk2 pygtk
     ++ stdenv.lib.optionals enableGtk3 [ cairo pycairo gtk3 gobjectIntrospection pygobject3 ]
     ++ stdenv.lib.optionals enableTk [ tcl tk tkinter libX11 ]