@Nullable
  protected final PsiElement wrapExpressionInParentheses(@NotNull PsiElement expression) {
    final PyElementGenerator generator = PyElementGenerator.getInstance(myPyString.getProject());
    return generator.createExpressionFromText(LanguageLevel.forElement(myPyString), "(" + expression.getText() + ")");
  }
@Nullable
  protected final PsiElement wrapExpressionInParentheses(@NotNull PsiElement expression)