From f4e5d1026193a8fc0df08ff1d0db43f84b54e384 Mon Sep 17 00:00:00 2001
From: Dan Burton <danburton.email@gmail.com>
Date: Tue, 7 Jun 2016 22:45:26 -0700
Subject: [PATCH] Add constraint "xlsx < 0.2.2", suspected cause of #1570

---
 build-constraints.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 313bccf3..681d0d73 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2274,6 +2274,9 @@ packages:
         # https://github.com/fpco/stackage/issues/1567
         - hackage-security < 0.5.2.0
 
+        # https://github.com/fpco/stackage/issues/1570
+        - xlsx < 0.2.2
+
 # end of packages