importKeys doesn't seem to work on a password-encrypted key

When exporting a EC256 private key from gpg2, with a simple password, I can't seem to get it imported. The E2E extension loads it fine.

function SearchAlicesKey() {
  console.log("SearchAlicesKey: running");
  alice.searchPrivateKey("user-0@example.com").then(
      function(v) {
        console.log("searchPrivateKey: Success", v);
      },
      LogFailureAndExit);
}
function LoadAlicesKey() {
  console.log("Loading Alice's Key");
  alice.importKeypair(loaded_messages.keys.password,
                      "user-0@example.com",
                      loaded_messages.keys.keys[0].private).then(
                          SearchAlicesKey,
                          SearchAlicesKey);
}

Where alice is an instance of pgpapi. Here's the key:

var raw_keys = [
  {
    "private": "-----BEGIN PGP PRIVATE KEY BLOCK-----\n" +
        "Version: GnuPG v2\n" +
        "\n" +
        "lKUEVqKVaRMIKoZIzj0DAQcCAwQj1vXJdzlfHhiXV5s0d9HK5q6edPgG9+uQVqYX\n" +
        "/aJy/BWbSDKfX8IHmKRhfB6Msg8XFxq3UbaeVuZNtgEifURX/gcDArDnmWfqHUtt\n" +
        "4jWQBri84gK6IMzvE/8TX902ntKCKqj/i2SgP85dzxFiAaaiWgupiQKJ33CygK4d\n" +
        "sf2rRnv771jceuVLSv1G8Jzny13Zx/+0G3VzZXItMCA8dXNlci0wQGV4YW1wbGUu\n" +
        "Y29tPoh5BBMTCAAhBQJWopVpAhsDBQsJCAcCBhUICQoLAgQWAgMBAh4BAheAAAoJ\n" +
        "EPcjztauAk2VBnQA/1fZHalPbVxALq09Yq7FNzghakHgoyEkwekbQ+KNGAeCAPsG\n" +
        "Hsd2asFC70XAnYADKJGxtKebNmHfWVyA6AjGJyFB75ypBFailWkSCCqGSM49AwEH\n" +
        "AgMEQqgnUFOXnwI6OMJnaIVtXl4c3OgdInRgUfjpT//PFhYz2FPqt4c/1pHYhzx/\n" +
        "6QqggObexKdY+dRZFS0DgL44MQMBCAf+BwMCB773+rJ/ncviTheSXe6VTgboxrTd\n" +
        "gKiQhCOAcByz/2cUUdyeeJ1p2qyzwNK1+8oWWiuGpbIS+FCpwTZO/ChqiVQed4i5\n" +
        "eD6IITRDuhaO5YhhBBgTCAAJBQJWopVpAhsMAAoJEPcjztauAk2VJQAA/18vW/TV\n" +
        "ZJTTD8JuOvtzNWConrcH/BzSUhgHTgLgr5DQAQD33WqSY/Jodb0hvu9+rl1kK35u\n" +
        "qqr9UVQ3ueoCthcknA==\n" +
        "=UuAm\n" +
        "-----END PGP PRIVATE KEY BLOCK-----",
 ...
}

Where raw_keys is eventually fed into the loaded_messages.keys[] array in the code.

freedomjs / freedom-pgp-e2e

importKeys doesn't seem to work on a password-encrypted key #46