From 5b96358a181bf0d8e1f585ba75431b63a3048e15 Mon Sep 17 00:00:00 2001
From: Tyson Whitehead <twhitehead@gmail.com>
Date: Thu, 2 May 2019 10:51:16 -0400
Subject: [PATCH] Filter packages that throw an error when evaluated (disabled
 python)

---
 release.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/release.nix b/release.nix
index 65a4bc2..2afb964 100644
--- a/release.nix
+++ b/release.nix
@@ -104,7 +104,7 @@ in let
           ( builtins.map
               ( name: { inherit name; value = valueSet.${name}; } )
               ( pkgs.lib.filter
-                  ( name: pkgs.lib.isDerivation valueSet.${name} )
+                  ( name: ( builtins.tryEval (pkgs.lib.isDerivation valueSet.${name}) ).value )
                   ( pkgs.lib.attrNames nameSet ) ) );
 
       # Provided overlays