gistfile1.txt

  nixpkgs.config.packageOverrides = superP: {
    pythonPackages = superP.pythonPackages.override {
      overrides = self: super: {
        neovim = super.neovim.overrideAttrs ( oldAttrs: {
          src = pkgs.fetcUrl {
            url = "https://github.com/neovim/python-client/archive/0.2.4.tar.gz";
            md5 = "2201270c2f63bc23456c2e10ec8d9aff";
          };
        });
      };
    };
  };