From 340cadd97d925ad239b8c98a53a75d8c6e9d62d5 Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl>
Date: Wed, 3 Jan 2018 14:33:50 +0100
Subject: [PATCH] python.pkgs.arrow: fix python 2 build

---
 pkgs/development/python-modules/arrow/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/python-modules/arrow/default.nix b/pkgs/development/python-modules/arrow/default.nix
index 72b88d3e5573..374b82225a1a 100644
--- a/pkgs/development/python-modules/arrow/default.nix
+++ b/pkgs/development/python-modules/arrow/default.nix
@@ -18,6 +18,10 @@ buildPythonPackage rec {
   checkInputs = [ nose chai simplejson ];
   propagatedBuildInputs = [ dateutil backports_functools_lru_cache ];
 
+  postPatch = ''
+    substituteInPlace setup.py --replace "==1.2.1" ""
+  '';
+
   meta = with stdenv.lib; {
     description = "Python library for date manipulation";
     license     = "apache";