{ mkDerivation, base, classy-prelude-yesod, fetchurl, http-conduit
, yesod-auth
}:
mkDerivation {
  pname = "yesod-recaptcha2";
  version = "0.2.3";
  src = fetchurl {
    url = "http://example.org/";
    sha256 = "abc";
  };
  libraryHaskellDepends = [
    base classy-prelude-yesod http-conduit yesod-auth
  ];
  homepage = "https://github.com/ncaq/yesod-recaptcha2#readme";
  description = "yesod recaptcha2";
  license = stdenv.lib.licenses.mit;
}