public static PyElement[] getSetCallArguments(PyCallExpression node) {
    PyExpression argument = node.getArguments()[0];
    if (argument instanceof PyStringLiteralExpression) {
      return PyElement.EMPTY_ARRAY;
    }
    if ((argument instanceof PySequenceExpression || (argument instanceof PyParenthesizedExpression &&
                  ((PyParenthesizedExpression)argument).getContainedExpression() instanceof PyTupleExpression))) {

      if (argument instanceof PySequenceExpression)
        return ((PySequenceExpression)argument).getElements();
      PyExpression tuple = ((PyParenthesizedExpression)argument).getContainedExpression();
      if (tuple instanceof PyTupleExpression)
        return ((PyTupleExpression)(tuple)).getElements();
    }
    return PyElement.EMPTY_ARRAY;
  }
public static PyElement[] getSetCallArguments(PyCallExpression node)