Add row

        :param args:
        :return: self
        :rtype: :obj:`types.InlineKeyboardMarkup`

def row(self, *args):
        """
        Add row

        :param args:
        :return: self
        :rtype: :obj:`types.InlineKeyboardMarkup`
        """
        btn_array = []
        for button in args:
            btn_array.append(button)
        self.inline_keyboard.append(btn_array)
        return self