Elm 0.19 development

I tried the way mentioned and came across this error: elm@0.19.0-bugfix2 install /nix/store/6cy9ndg19wbwn2rsiacyrs0ar44i37j4-node-create-elm-ap p-2.0.3/lib/node_modules/create-elm-app/node_modules/elm > binwrap-install sh: binwrap-install: command not found npm ERR! Linux 4.14.54 npm ERR! arg…