{ python3Packages, runCommand, attrName }: runCommand "${python3Packages.${attrName}.name}-libstdcxx-test" { nativeBuildInputs = [ (python3Packages.python.withPackages (ps: [ (ps.${attrName}.override { enableCuda = true; }) ps.scikit-image ])) ]; } '' python << EOF import cv2 from skimage.transform import pyramid_reduce EOF touch $out ''