# Pastebin ewp8Csfc
nix-shell -p python36Packages.Theano -I nixpkgs=~/nixpkgs
error: Package ‘ocl-icd-2.2.10’ in /Users/dom/nixpkgs/pkgs/development/libraries/ocl-icd/default.nix:19 is not supported on ‘x86_64-darwin’, refusing to evaluate.