From edf950fd106d913f5e3f59ef1e3f9b3e399e61c1 Mon Sep 17 00:00:00 2001
From: Erik Schnetter <schnetter@gmail.com>
Date: Tue, 30 Jun 2020 14:19:02 -0400
Subject: [PATCH] Revert "Disable mpi-hs, #5444"

This reverts commit 91d928d36c1c50d3d36676336ca622d9c19dcca2.
---
 build-constraints.yaml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9905e0f9..6eb63ab0 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -164,9 +164,9 @@ packages:
         - PyF
 
     "Erik Schnetter <schnetter@gmail.com> @eschnett":
-        - mpi-hs < 0 # https://github.com/commercialhaskell/stackage/issues/5444
-        - mpi-hs-binary < 0 # via mpi-hs
-        - mpi-hs-cereal < 0 # via mpi-hs
+        - mpi-hs
+        - mpi-hs-binary
+        - mpi-hs-cereal
 
     "Yang Bo <pop.atry@gmail.com> @Atry":
         - control-dsl < 0 # via doctest-discover