From eaabf0fb100c210722e7fad11881ce231f9c1ed5 Mon Sep 17 00:00:00 2001
From: Jens Petersen <juhpetersen@gmail.com>
Date: Wed, 18 Mar 2020 15:59:44 +0800
Subject: [PATCH] Revert "revert "extra < 1.7" (#5228)"

intro still has low bound

This reverts commit 32e0a14d785c3187202808ad2a70767396dd8518.
---
 build-constraints.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index b8d1301f..02b95ca6 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4734,6 +4734,9 @@ packages:
       # https://github.com/commercialhaskell/stackage/issues/new
       - mini-egison <1.0.0
 
+      # https://github.com/commercialhaskell/stackage/issues/5228
+      - extra < 1.7
+
       # https://github.com/commercialhaskell/stackage/issues/5236
       - rank2classes < 1.4