From f3bebb771742688c3a934396656b55a69ee80584 Mon Sep 17 00:00:00 2001
From: Jens Petersen <juhpetersen@gmail.com>
Date: Sun, 23 Jan 2022 18:39:40 +0800
Subject: [PATCH] remove duplicate happy entry

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

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 5dfca150..25935073 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -765,7 +765,6 @@ packages:
         - formatting
         - gtk2hs-buildtools
         - happy < 1.21.0 || > 1.21.0 # https://github.com/commercialhaskell/stackage/issues/6294
-        - happy
         - hybrid-vectors
         - indents
         - language-c