From 327f63e0323d366ec3244193a038924eeb30382c Mon Sep 17 00:00:00 2001
From: Gabriel Gonzalez <Gabriel439@gmail.com>
Date: Sun, 18 Mar 2018 11:44:20 -0700
Subject: [PATCH] Restore `pipes-concurrency`

`pipes-concurrency` is now GHC-8.4-compatible
---
 build-constraints.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 7c366b20..caedd62f 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -763,7 +763,7 @@ packages:
         - pipes-extras
         - pipes-http
         - pipes-parse
-        # - pipes-concurrency # build failure with GHC 8.4 https://github.com/Gabriel439/Haskell-Pipes-Concurrency-Library/issues/47
+        - pipes-concurrency
         - pipes-safe
         - turtle
         - foldl