{ isDevelopmentShell ? true }: let nixpkgs = import ./nix/nixpkgs.nix; in nixpkgs.mkShell ({ name = "bizdev"; buildInputs = [ nixpkgs.git nixpkgs.hlint nixpkgs.niv nixpkgs.ormolu nixpkgs.python37Packages.black nixpkgs.python37Packages.pylint nixpkgs.wemux ]; shellHook = '' echo "biz" | ${nixpkgs.figlet}/bin/figlet | ${nixpkgs.lolcat}/bin/lolcat ''; })