From ef3756ff1b33cbde63f852e5e9a7c12b5acdc071 Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Mon, 16 Dec 2019 13:44:46 -0800
Subject: [PATCH] Revert "python: gym: 0.15.3 -> 0.15.4"

0.15.4 requires python-opencv, which isn't packaged yet,
and is not trival to package

This reverts commit 8ee4062480e78f17f47c0e9893c6e16fdff35b73.
---
 pkgs/development/python-modules/gym/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/python-modules/gym/default.nix b/pkgs/development/python-modules/gym/default.nix
index d90ded1fb5f..52171470c27 100644
--- a/pkgs/development/python-modules/gym/default.nix
+++ b/pkgs/development/python-modules/gym/default.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "gym";
-  version = "0.15.4";
+  version = "0.15.3";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "3b930cbe1c76bbd30455b5e82ba723dea94159a5f988e927f443324bf7cc7ddd";
+    sha256 = "18381e13bbd1e2f206a1b88a2af4fb87affd7d06ee7955a6e5e6a79478a9adfc";
   };
 
   postPatch = ''