From 03226aac623e5197d7910127dbf5bdea93e6aa99 Mon Sep 17 00:00:00 2001
From: Timo Kaufmann <timokau@zoho.com>
Date: Fri, 12 Jul 2019 22:03:44 +0200
Subject: [PATCH] python.pkgs.scipy: inherit the correct version

Because of the missing `rec` the inherited version was actually the
nixpkgs version. AS a result, the output name depended on how nixpkgs
was fetched, introducing impurity.
---
 pkgs/top-level/python-packages.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 04e13458108593..4f10313bb50f9f 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4402,7 +4402,7 @@ in {
 
   scipy = let
     scipy_ = callPackage ../development/python-modules/scipy { };
-    scipy_1_2 = scipy_.overridePythonAttrs(oldAttrs: {
+    scipy_1_2 = scipy_.overridePythonAttrs(oldAttrs: rec {
       version = "1.2.1";
       src = oldAttrs.src.override {
         inherit version;