private boolean parseWithItems(boolean insideParentheses) {
    if (!parseWithItem()) {
      return false;
    }
    while (matchToken(PyTokenTypes.COMMA)) {
      if (!parseWithItem()) {
        if (!insideParentheses) {
          myBuilder.error(PyParsingBundle.message("PARSE.expected.expression"));
        }
        break;
      }
    }
    return true;
  }
private boolean parseWithItems(boolean insideParentheses)