private void checkDeleter(PyCallable callable, PsiElement beingChecked) {
      if (callable != null) {
        checkOneParameter(callable, beingChecked, false);
        checkReturnValueAllowed(callable, beingChecked, false, PyPsiBundle.message("INSP.deleter.should.not.return"));
      }
    }
private void checkDeleter(PyCallable callable, PsiElement beingChecked)