From ec0e1f0e5aed72e765dfde26f814894e058e1c4b Mon Sep 17 00:00:00 2001
From: Ivan Babrou <github@ivan.computer>
Date: Fri, 9 Apr 2021 13:20:53 -0700
Subject: [PATCH] pythonPackages.ptyprocess: fix stuck tests on darwin

---
 pkgs/development/python-modules/ptyprocess/default.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/development/python-modules/ptyprocess/default.nix b/pkgs/development/python-modules/ptyprocess/default.nix
index 48b0ab48c73906..d969a679a1aea6 100644
--- a/pkgs/development/python-modules/ptyprocess/default.nix
+++ b/pkgs/development/python-modules/ptyprocess/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, fetchpatch
 }:
 
 buildPythonPackage rec {
@@ -12,6 +13,14 @@ buildPythonPackage rec {
     sha256 = "5c5d0a3b48ceee0b48485e0c26037c0acd7d29765ca3fbb5cb3831d347423220";
   };
 
+  patches = [
+    # Remove after https://github.com/pexpect/ptyprocess/pull/64 is merged.
+    (fetchpatch {
+      url = "https://github.com/pexpect/ptyprocess/commit/40c1ccf3432a6787be1801ced721540e34c6cd87.patch";
+      sha256 = "sha256-IemngBqBq3QRCmVscWtsuXHiFgvTOJIIB9SyAvsqHd0=";
+    })
+  ];
+
   meta = {
     description = "Run a subprocess in a pseudo terminal";
     homepage = "https://github.com/pexpect/ptyprocess";