From 78c97f07c8b912373b2cb957e6478b0d80ca3bf6 Mon Sep 17 00:00:00 2001
From: "Robert T. McGibbon" <rmcgibbo@gmail.com>
Date: Sat, 8 May 2021 17:48:20 -0400
Subject: [PATCH] python39Packages.blist: fix build

---
 pkgs/development/python-modules/blist/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/python-modules/blist/default.nix b/pkgs/development/python-modules/blist/default.nix
index d4dcb54c5cd1..af129f4aa5dc 100644
--- a/pkgs/development/python-modules/blist/default.nix
+++ b/pkgs/development/python-modules/blist/default.nix
@@ -22,6 +22,12 @@ buildPythonPackage rec {
       url = "https://github.com/DanielStutzbach/blist/commit/2dc1ec28ed68611fcec9ac1c68070c782d6b4b4e.patch";
       sha256 = "0ma0z6ga80w3wzh3sidwd8ckfbgx4j1y7cc29q6j9ddrvxpf276y";
     })
+
+    # Fixes compatibility for Python 3.9 https://github.com/DanielStutzbach/blist/pull/91
+    (fetchpatch {
+      url = "https://github.com/DanielStutzbach/blist/pull/91/commits/e63514f805e42dc6a5708e629e4153d91bc90bff.patch";
+      sha256 = "1prx8znk7008v4ky7q2lx0pi6hzqd4kxgfdwbsr4zylwbrdqvsga";
+    })
   ];
 
   meta = with lib; {