From 407f9ba5c9ec325c43fb466e9e51cab9e1713eaf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20Sch=C3=BCtz?=
 <robert.schuetz@stud.uni-heidelberg.de>
Date: Wed, 19 Dec 2018 14:13:16 +0100
Subject: [PATCH] python.pkgs.objgraph: fix build

Fixes https://github.com/NixOS/nixpkgs/issues/52518.
---
 pkgs/development/python-modules/objgraph/default.nix | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/objgraph/default.nix b/pkgs/development/python-modules/objgraph/default.nix
index c7e924569ba1..16dc60fc28a3 100644
--- a/pkgs/development/python-modules/objgraph/default.nix
+++ b/pkgs/development/python-modules/objgraph/default.nix
@@ -1,8 +1,9 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
-, pkgs
 , isPyPy
+, graphviz
+, mock
 }:
 
 buildPythonPackage rec {
@@ -17,7 +18,9 @@ buildPythonPackage rec {
   # Tests fail with PyPy.
   disabled = isPyPy;
 
-  propagatedBuildInputs = [pkgs.graphviz];
+  propagatedBuildInputs = [ graphviz ];
+
+  checkInputs = [ mock ];
 
   meta = with stdenv.lib; {
     description = "Draws Python object reference graphs with graphviz";