From 195258a9e1cdb5698da62945d34be5d1802f4d65 Mon Sep 17 00:00:00 2001
From: Ben Wolsieffer <benwolsieffer@gmail.com>
Date: Fri, 21 Aug 2020 14:18:08 -0400
Subject: [PATCH] buildbot: fix build

Backport upstream patch to fix incompatibility with lastest SQLAlchemy.
---
 pkgs/development/python-modules/buildbot/default.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/development/python-modules/buildbot/default.nix b/pkgs/development/python-modules/buildbot/default.nix
index c5a12c997d9d..9a49be777b00 100644
--- a/pkgs/development/python-modules/buildbot/default.nix
+++ b/pkgs/development/python-modules/buildbot/default.nix
@@ -73,6 +73,13 @@ let
       # This patch disables the test that tries to read /etc/os-release which
       # is not accessible in sandboxed builds.
       ./skip_test_linux_distro.patch
+
+      # fix compatibility with the latest SQLAlchemy
+      (fetchpatch {
+        url = "https://github.com/buildbot/buildbot/commit/96f3cd1c5f5c82b733baecb133576366ecf544fc.patch";
+        sha256 = "0n1jm13h08j7ksbs8ixayn3wziq5hzyp3kscz9fpgxd8gl885y5n";
+        stripLen = 1;
+      })
     ];
 
     postPatch = ''