爬虫过程中遇到了这个错误，该怎么解决？

爬虫过程中遇到了这个错误，该怎么解决？

from selenium import webdriver
import csv
import time

def csv_writer(item):
    with open('weibo.csv','a',encoding='gbk',newline='')as csvfile:
        writer=csv.writer(csvfile)
        try:
            writer.writerow(item)
        except:
            print('写入失败')
            
def login():
    driver.get('https://weibo.com/')
    time.sleep(5)
    driver.set_window_size(1920,1080)
    username=driver.find_element_by_xpath('//*[@id="loginname"]')
    username.send_keys('your username')
    password=driver.find_element_by_name('password')
    password.send_keys('your password')
    submit=driver.find_element_by_xpath('//*[@id="pl_login_form"]/div/div[3]/div[6]/a')
    print('准备登陆....')
    submit.click()
    time.sleep(4)
    
def spider():
    driver.get('https://weibo.com/')
    time.sleep(4)
    all_weibo=driver.find_element_by_xpath('//*[@id="scroller"]/div[1]/div[1]/div/article/div')
    for weibo in all_weibo:
        pub_id=weibo.find_element_by_xpath('header/div[1]/div/div[1]/a/span')[0].text
        pun_id_url=weibo.find_element_by_xpath('header/div[1]/div/div[1]/a/span')[0].get_attribute('href')
        pub_content=weibo.find_element_by_xpath('div/div[1]/div')[0].text
        item=[pub_id,pun_id_url,pub_content]
        print('成功抓取',pub_id)
        csv_writer(item)

if__name__=='__main__':
    driver=webdriver.Chrome(r'd:/seleenium/chromedriver.exe')
    login()
    while True:
        spider()
        time.sleep(300)
    

后面这个冒号是不是中文的啊，改成英文的试试