From 1c5a02033a895fc00898c9dbe49c4091339007d8 Mon Sep 17 00:00:00 2001
From: "Markus S. Wamser" <github-dev@mail2013.wamser.eu>
Date: Fri, 30 Apr 2021 09:41:54 +0200
Subject: [PATCH] pythonPackages.autobahn: limit to Python 3

Python 2.7 is long end-of-life and dependency ond old compatibility
helpers can be dropped.
---
 pkgs/development/python-modules/autobahn/default.nix | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/python-modules/autobahn/default.nix b/pkgs/development/python-modules/autobahn/default.nix
index 386d4766bbfa..19015a5729ad 100644
--- a/pkgs/development/python-modules/autobahn/default.nix
+++ b/pkgs/development/python-modules/autobahn/default.nix
@@ -1,19 +1,18 @@
 { lib, buildPythonPackage, fetchPypi, isPy3k,
   six, txaio, twisted, zope_interface, cffi,
-  trollius ? null, futures ? null,
   mock, pytest, cryptography, pynacl
 }:
 buildPythonPackage rec {
   pname = "autobahn";
   version = "21.3.1";
+  disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
     sha256 = "e126c1f583e872fb59e79d36977cfa1f2d0a8a79f90ae31f406faae7664b8e03";
   };
 
-  propagatedBuildInputs = [ six txaio twisted zope_interface cffi cryptography pynacl ] ++
-    (lib.optionals (!isPy3k) [ trollius futures ]);
+  propagatedBuildInputs = [ six txaio twisted zope_interface cffi cryptography pynacl ];
 
   checkInputs = [ mock pytest ];
   checkPhase = ''