1 files changed, 3 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/rl-coach/default.nix b/nixpkgs/pkgs/development/python-modules/rl-coach/default.nix
index bee588457ff..e9efb0c02b4 100644
--- a/nixpkgs/pkgs/development/python-modules/rl-coach/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/rl-coach/default.nix
@@ -28,7 +28,7 @@ buildPythonPackage rec {
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "0c4f3a334ff55d534d2fc7f83d5e791f64b780391039e367f6cd9b4381838744";
+    sha256 = "0i47hf0l76ydyrky6f8h760bfr0zg5g3vy675x6m6pgm9wrklkqc";
   };
 
   propagatedBuildInputs = [
@@ -94,5 +94,7 @@ buildPythonPackage rec {
     homepage = "https://nervanasystems.github.io/coach/";
     license = licenses.asl20;
     maintainers = with maintainers; [ timokau ];
+    # pythonPackages.gym is too new
+    broken = true; # since 2020-04-20
   };
 }