我试图刮数据，但他们给予我错误UnboundLocalError: local variable 'd3' referenced before assignment我如何可以解决这些错误任何解决方案请建议我我搜索许多解决方案，但我找不到任何解决方案，帮助我，如果你有任何解决方案，然后建议我这些是页面链接https://rejestradwokatow.pl/adwokat/abaewicz-agnieszka-51004

import scrapy
from scrapy.http import Request
from scrapy.crawler import CrawlerProcess
from bs4 import BeautifulSoup

class TestSpider(scrapy.Spider):
    name = 'test'
    start_urls = ['https://rejestradwokatow.pl/adwokat/list/strona/1/sta/2,3,9']
    custom_settings = {
        'CONCURRENT_REQUESTS_PER_DOMAIN': 1,
        'DOWNLOAD_DELAY': 1,
        'USER_AGENT': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36'
        }

    def parse(self, response):
        soup=BeautifulSoup(response.text, 'html.parser')
        tra = soup.find_all('td', class_='icon_link')
        for links in tra:
            for link in links.find_all('a', href=True):
                comp = link['href']
                yield Request(comp, callback=self.parse_book)

    def parse_book(self, response):
        soup=BeautifulSoup(response.text, 'html.parser')
        details = soup.find_all('div', class_='line_list_K')
        for detail in details:
            try:
                status = detail.find(
                    'span', string='Status:').findNext('div').getText()
            except:
                pass

            try:
                d1 = detail.find('span', string='Data wpisu w aktualnej izbie na listę adwokatów:').findNext(
                    'div').getText()
            except:
                pass

            try:
                d3 = detail.find('span', string='Ostatnie miejsce wpisu:').findNext(
                    'div').getText()
            except:
                pass

            try:
                d4 = detail.find('span', string='Stary nr wpisu:').findNext(
                    'div').getText()
            except:
                pass

            try:
                d5 = detail.find('span', string='Zastępca:').findNext(
                    'div').getText()
            except:
                pass

            yield{
               'status':status,
               "d1":d1,
               "d3":d3,
               "d4":d4,
               "d5":d5
               }