From cfda348d50e34e1cc14ae48917e13c0832cde02a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
Date: Mon, 6 Jul 2020 23:51:24 +0100
Subject: [PATCH] python3.pkgs.graphql-server-core: 1.2.0 -> 2.0.0

---
 .../graphql-server-core/default.nix              | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/python-modules/graphql-server-core/default.nix b/pkgs/development/python-modules/graphql-server-core/default.nix
index e12d71836f18..e26e936f48fd 100644
--- a/pkgs/development/python-modules/graphql-server-core/default.nix
+++ b/pkgs/development/python-modules/graphql-server-core/default.nix
@@ -1,23 +1,33 @@
 { buildPythonPackage
 , fetchFromGitHub
 , lib
-
 , black
 , graphql-core
 , promise
+, fetchpatch
+, pythonOlder
 }:
 
 buildPythonPackage rec {
   pname = "graphql-server-core";
-  version = "1.2.0";
+  version = "2.0.0";
 
   src = fetchFromGitHub {
     owner = "graphql-python";
     repo = pname;
     rev = "v${version}";
-    sha256 = "123q3xziv0s22h10v3f5slirf4b6nxj0hnmarwx9vws6x21bgrgh";
+    sha256 = "1w3biv2za2m1brwjy0z049c2m94gm1zfwxzgc6lwrsci724jv9fr";
   };
 
+  disable = pythonOlder "3.6";
+
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/graphql-python/graphql-server-core/commit/865ee9d5602f352c958f6f7e15adbe9abe216784.patch";
+      sha256 = "03p44p4j8rys7mgamh2h9ibbnac2cqwvp5f5hrl2avj2hh0l6j46";
+    })
+  ];
+
   propagatedBuildInputs = [
     graphql-core
     promise