From 5b782924c1dc9d66d7aefaf99650ff52119b6358 Mon Sep 17 00:00:00 2001
From: Tom Hunger <tehunger@gmail.com>
Date: Thu, 12 May 2016 17:03:34 +0100
Subject: [PATCH] tornado: disable tests, see #14634

---
 pkgs/top-level/python-packages.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index ef654966f46..342ad3a1a44 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -23893,6 +23893,10 @@ in modules // {
 
     propagatedBuildInputs = with self; [ backports_ssl_match_hostname_3_4_0_2 certifi ];
 
+    # Tests fail:
+    # ValueError: _type_ 'v' not supported
+    # See https://github.com/NixOS/nixpkgs/issues/14634
+    doCheck = false;
     src = pkgs.fetchurl {
       url = "mirror://pypi/t/tornado/${name}.tar.gz";
       sha256 = "a16fcdc4f76b184cb82f4f9eaeeacef6113b524b26a2cb331222e4a7fa6f2969";