private static @Nullable File findPregeneratedSkeletonsRoot() {
    final String path = PathManager.getHomePath();
    LOG.info("Home path is " + path);
    File f = new File(path, "python/skeletons");  // from sources
    if (f.exists()) return f;
    f = new File(path, "skeletons");              // compiled binary
    if (f.exists()) return f;
    return null;
  }
private static @Nullable File findPregeneratedSkeletonsRoot()