@Override
  public void showWarning(String warningId) {
    if (warningId.equals("cython")) {
      if (!isCythonWarningShown) {
        PyCythonExtensionWarning.showCythonExtensionWarning(getSession().getProject());
        isCythonWarningShown = true;
      }
    }
  }
@Override
  public void showWarning(String warningId)