From 04156d1f05818ef5e1bcd5b4d18bada4056c804a Mon Sep 17 00:00:00 2001
From: Marco Z <ocramz@users.noreply.github.com>
Date: Thu, 17 Dec 2020 15:25:45 +0100
Subject: [PATCH] Re-enable backprop

---
 build-constraints.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 40211a04..c4566ff3 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2174,7 +2174,7 @@ packages:
     "Justin Le <justin@jle.im> @mstksg":
         - advent-of-code-api < 0 # ghc 8.10 via servant
         - auto
-        - backprop < 0 # via vinyl
+        - backprop
         - bins
         - configurator-export
         - decidable < 0 # via vinyl