python3Packages.gym: fix build

Tested by running one of their code examples (cherry picked from commit 13cef561850fc6ee01de09f945c0e6047c26ef3c)
2021-07-23 08:02:40 +02:00 · 2021-07-23 08:02:40 +02:00 · 43cea7b6e4
parent 0d70ff95e1
commit 43cea7b6e4
1 changed files with 5 additions and 0 deletions
--- a/pkgs/development/python-modules/gym/default.nix
+++ b/pkgs/development/python-modules/gym/default.nix
@ -29,6 +29,11 @@ buildPythonPackage rec {
    scipy
  ];

+  postPatch = ''
+    substituteInPlace setup.py \
+      --replace "Pillow<=8.2.0" "Pillow"
+  '';
+
  # The test needs MuJoCo that is not free library.
  doCheck = false;