From 9d9aa6099f6c284aa5df7d45d83c56e57552251a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=A1szl=C3=B3=20Vask=C3=B3?= <vlaci@balabit.hu>
Date: Tue, 24 Sep 2019 17:41:35 +0200
Subject: [PATCH] python37Packages.pyrsistent: 0.15.2 -> 0.15.4

Some tests are broken on 0.15.2 if used with pytest 5+ as discussed
in #64145. The issue is fixed in tobgu/pyrsistent#175 and released in
0.15.4.
---
 pkgs/development/python-modules/pyrsistent/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/python-modules/pyrsistent/default.nix b/pkgs/development/python-modules/pyrsistent/default.nix
index 74c3724aa19..c8310c39441 100644
--- a/pkgs/development/python-modules/pyrsistent/default.nix
+++ b/pkgs/development/python-modules/pyrsistent/default.nix
@@ -20,6 +20,10 @@ buildPythonPackage rec {
 
   checkInputs = [ pytestrunner pytest_4 hypothesis ];
 
+  postPatch = ''
+    substituteInPlace setup.py --replace 'pytest<5' 'pytest'
+  '';
+
   meta = with stdenv.lib; {
     homepage = https://github.com/tobgu/pyrsistent/;
     description = "Persistent/Functional/Immutable data structures";