python3Packages.ale-py: add missing nvcc to fix CUDA build

pkgs/development/python-modules/ale-py/default.nix

@@ -1,6 +1,7 @@
 {
   lib,
   stdenv,
+  config,
   buildPythonPackage,
   fetchFromGitHub,
 
@@ -17,6 +18,9 @@
   opencv,
   zlib,
 
+  # nativeBuildInputs
+  cudaPackages,
+
   # dependencies
   numpy,
 
@@ -49,6 +53,11 @@ buildPythonPackage (finalAttrs: {
     jax
   ];
 
+  nativeBuildInputs = lib.optionals config.cudaSupport [
+    # Required by opencv's cmake
+    cudaPackages.cuda_nvcc
+  ];
+
   # disable lto on darwin, cmake cannot find llvm-ar
   postPatch = lib.optionalString stdenv.hostPlatform.isDarwin ''
     substituteInPlace src/ale/CMakeLists.txt \