csv scrapy pipeline

class CsvPipeline:
    def __init__(self):
        date = datetime.today().strftime("%d-%m-%Y")
        self.filename = f'{date}.xlsx'
        self.workbook = openpyxl.Workbook()

        # worksheet = workbook.active
        # worksheet.title = "data"

    def open_spider(self, spider):
        pass

    def close_spider(self, spider):
        self.workbook.save(self.filename)

    def process_item(self, item, spider):
        try:
            ws = self.workbook[item['data'][0]]
        except KeyError:
            ws = self.workbook.create_sheet(item['data'][0])
        item_d = list(item['data'][1])
        max_row = ws.max_row
        ws.cell(row=1, column=1, value=item['data'][0])
        for row, entry in enumerate(item_d, start=1):
            ws.cell(row=max_row+row, column=1, value=entry)
        return item