From 8a9d13ceb12d4f73258a97392b4fc2eb709217db Mon Sep 17 00:00:00 2001
From: Eugene Smolanka <esmolanka@gmail.com>
Date: Thu, 7 May 2020 23:19:54 +0100
Subject: [PATCH] Re-enable  invertible-grammar and sexp-grammar

---
 build-constraints.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/build-constraints.yaml b/build-constraints.yaml
index 046dc709..8abee8f9 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3920,8 +3920,8 @@ packages:
         - tasty-ant-xml
 
     "Eugene Smolanka <esmolanka@gmail.com> @esmolanka":
-        - sexp-grammar < 0 # via prettyprinter-1.3.0 and semigroups-0.19
-        - invertible-grammar < 0 # via profunctors-5.5
+        - sexp-grammar
+        - invertible-grammar
 
     "Maximilian Tagher <feedback.tagher@gmail.com> @MaxGabriel":
         - aeson-iproute < 0 # via iproute