From df84dcf53c69d22a2806dc45e97d0a44b7aa5b3a Mon Sep 17 00:00:00 2001
From: Tom Hunger <tehunger@gmail.com>
Date: Sun, 20 Sep 2020 22:30:29 +0100
Subject: [PATCH] streamz: disable build for Python older than 3.6

---
 pkgs/development/python-modules/streamz/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/python-modules/streamz/default.nix b/pkgs/development/python-modules/streamz/default.nix
index 420ee7b24722..d34a826a0604 100644
--- a/pkgs/development/python-modules/streamz/default.nix
+++ b/pkgs/development/python-modules/streamz/default.nix
@@ -10,6 +10,7 @@
 , toolz
 , tornado
 , zict
+, pythonOlder
 }:
 
 buildPythonPackage rec {
@@ -38,6 +39,8 @@ buildPythonPackage rec {
     requests
   ];
 
+  disabled = pythonOlder "3.6";
+
   # Disable test_tcp_async because fails on sandbox build
   # disable kafka tests
   checkPhase = ''