python中web报废中的属性错误

写了一些代码来清理网站: https://books.toscrape.com/catalogue/page-1.html 但我有个错误:

Nontype object has no attribute text

未能找到解决方案,因此如何修复此错误?

    import requests
    from bs4 import BeautifulSoup
    import pandas as pd
    
    
    all_books=[]
    
    url='https://books.toscrape.com/catalogue/page-1.html'
    headers=('https://developers.whatismybrowser.com/useragents/parse/22526098chrome-windows-blink')
    def get_page(url):
        page=requests.get(url,headers)
        status=page.status_code
        soup=BeautifulSoup(page.text,'html.parser')
        return [soup,status]
    
    #get all books links
    def get_links(soup):
        links=[]
        listings=soup.find_all(class_='product_pod')
        for listing in listings:
            bk_link=listing.find("h3").a.get("href")
            base_url='https://books.toscrape.com/catalogue/page-1.html'
            cmplt_link=base_url+bk_link
            links.append(cmplt_link)
        return links
        
    #extraxt info from each link
    def extract_info(links):
        for link in links:
            r=requests.get(link).text
            book_soup=BeautifulSoup(r,'html.parser')
    
            name=book_soup.find(class_='col-sm-6 product_main').text.strip()
            price=book_soup.find(class_='col-sm-6 product_main').text.strip()
            desc=book_soup.find(class_='sub-header').text.strip()
            cat=book_soup.find('"../category/books/poetry_23/index.html">Poetry').text.strip()
            book={'name':name,'price':price,'desc':desc,'cat':cat}
            all_books.append(book)
    
    pg=48
    while True:
        url=f'https://books.toscrape.com/catalogue/page-{pg}.html'
        soup_status=get_page(url)
        if soup_status[1]==200:
            print(f"scrapping page{pg}")
            extract_info(get_links(soup_status[0]))
            pg+=1
        else:
            print("The End")
            break
    
    df=pd.DataFrame(all_books)
    print(df)