From c1432308b865fde21404c1a1a4a10dc2f4e9fb94 Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Sun, 16 Aug 2020 21:27:13 -0700
Subject: [PATCH] pythonPackages.datadog: fix build

---
 pkgs/development/python-modules/datadog/default.nix | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/python-modules/datadog/default.nix b/pkgs/development/python-modules/datadog/default.nix
index 8702100beb05..748c0a535213 100644
--- a/pkgs/development/python-modules/datadog/default.nix
+++ b/pkgs/development/python-modules/datadog/default.nix
@@ -1,5 +1,5 @@
-{ lib, buildPythonPackage, fetchPypi
-, decorator, requests, simplejson, pillow
+{ lib, buildPythonPackage, fetchPypi, pythonOlder
+, decorator, requests, simplejson, pillow, typing
 , nose, mock, pytest, freezegun }:
 
 buildPythonPackage rec {
@@ -15,7 +15,8 @@ buildPythonPackage rec {
     find . -name '*.pyc' -exec rm {} \;
   '';
 
-  propagatedBuildInputs = [ decorator requests simplejson pillow ];
+  propagatedBuildInputs = [ decorator requests simplejson pillow ]
+    ++ lib.optionals (pythonOlder "3.5") [ typing ];
 
   checkInputs = [ nose mock pytest freezegun ];
   checkPhase = ''