未使用 import语句from lxml import etree ？

之前都没什么问题，突然就来一个未使用 import语句from lxml import etree都报错，这里为什么呢，有没有朋友帮忙看看那里错了？

/Users/chenyuhui/Desktop/截屏2022-10-27 20.33.17.png

import requests
import re
from lxml import etree
import csv
import time
import asyncio
import aiohttp
import logging
import pandas as pd
import numpy as np
import random
import ssl
import certifi
ssl_context = ssl.create_default_context()
ssl_context.load_verify_locations(certifi.where())
URL1='https://movie.douban.com/subject/35131346/comments?status=P'
file_name='短评-{index}.csv'
headers = {
    'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36',
    'cookie': 'll="108298"; bid=bQ20QaMu-Hc; push_noty_num=0; push_doumail_num=0; __utmv=30149280.12857; ct=y; gr_user_id=15663cd4-0204-441c-af43-e8b1a7d2d5f2; __gads=ID=4ed9362f7037ff69-22a328ce7fd70077:T=1666667493:RT=1666667493:S=ALNI_Mb0n4LajrFJVVuT5rLrXwGQO4aPfw; __utmz=30149280.1666760296.17.6.utmcsr=douban.com|utmccn=(referral)|utmcmd=referral|utmcct=/people/128572766/; ap_v=0,6.0; __gpi=UID=00000b6c11ffabc2:T=1666667493:RT=1666831710:S=ALNI_MbUWI8jPIZJO0A34AwiFDfTsDqfyQ; __utma=30149280.1432797394.1664965576.1666830229.1666834156.23; __utmc=30149280; __utmt=1; dbcl2="128572766:obLNF0XC3Tw"; ck=61Xh; __utmb=30149280.17.10.1666834156'
#定义了logging的基本配置
logging.basicConfig(level=logging.INFO,
                    format='%(asctime)s - %(levelname)s: %(message)s')
start=time.time()
URL2=URL1[0:51]+'start={start}&limit=20&status=P&sort=new_score'
URL3='https://www.douban.com/people/{authorid}/'
CONCURRENCY = 5
semaphore = asyncio.Semaphore(CONCURRENCY)
with open(file_name.format(index=re.findall('subject/(.*?)/comments',URL1)[0]), 'w',encoding='utf-8') as csvfile:
    writer = csv.writer(csvfile)
    writer.writerow(['序号','评论者', '评论', 'IP', '常驻地','有用量','网址'])
df=pd.DataFrame(pd.read_excel('./代理IP.xlsx'))
IPPORTS=list(df.loc[:,"IPPORTS"])
proxys = np.unique([IPPORTS for IPPORT in IPPORTS])
async def scrape_api(url):
    async with semaphore:
        try:
            logging.info('scraping %s', url)
            proxy=random.choice(proxys)
            proxies = {
                'http': 'http://' + proxy,
            session.proxies=proxies
            async with session.get(url,headers=headers,ssl=ssl_context) as response:
                return await response.text()
        except aiohttp.ClientError:
            logging.error('error occurred while scraping %s', url, exc_info=True)
async def scrape_index(page):
    url = URL2.format(start=page)
    return await scrape_api(url)
async def scrape_detail(authorid):
    url = URL3.format(authorid=authorid)
    return await scrape_api(url)
async def main():
    global session
    session = aiohttp.ClientSession()
    r1=requests.get(URL1,headers=headers)
    web1=r1.text
    # print(r1.status_code)
    print(web1)
    review_counts=int(re.findall('看过\((.*?)\)',web1)[0])
    print("共{}条短评".format(review_counts))
    scrape_index_tasks = [asyncio.ensure_future(scrape_index(page)) for page in range(0,review_counts//20,20)]
    results = await asyncio.gather(*scrape_index_tasks)
    for page,web2 in enumerate(results):
        reviews=re.findall('(.*?)', web2)
        youyongs=re.findall('(.*?)', web2)
        authorids=re.findall('https://www.douban.com/people/(.*?)/" class="">',web2)
        authors = re.findall('class="">(.*?)', web2)
        for i,[review,youyong,author,authorid] in enumerate(zip(reviews,youyongs,authors,authorids)):
            with open(file_name.format(index=re.findall('subject/(.*?)/comments', URL1)[0]), 'a',encoding='utf-8') as csvfile:
                writer = csv.writer(csvfile)
                writer.writerow([i+1+page*20, author, review,"/","/",youyong,URL3.format(authorid=authorid)])
if __name__ == '__main__':
    loop=asyncio.get_event_loop()
    loop.run_until_complete(main())
    end=time.time()
    print("用时{}s".format(end-start))
#     print(reviews_sum)
#     print(authorhrefs)
#     print(levels)
#     print(len(reviews_sum))
#     print(len(authorhrefs))
#     print(len(levels))
# for authorhref in authorhrefs:
     
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