python代码运行出错，直接跳到了except之后的内容

try:
sturl="0"
for i in range(sumcy):
print(0000000000000000000000000000000000000000000000000000000000000)
#id('_container_staff')/div[1]/div[1]/div[1]/div[1]/div[1]/span[1]职位
#id('_container_staff')/div[1]/div[1]/div[3]/div[1]/div[1]/span[1]
#id('_container_staff')/div[1]/div[1]/div[2]/div[1]/div[1]/span[1]
#id('_container_staff')/div[1]/div[1]/div[1]/div[1]/a[1]名字
#id('_container_staff')/div[1]/div[1]/div[3]/div[1]/a[1]
#id('_container_staff')/div[1]/div[1]/div[2]/div[1]/a[1]
j=str(i+1)
print(j)
urlPos=driver.find_element_by_xpath("id('_container_staff')/div[1]/div[1]/div["+j+"]/div[1]/span[1]").text#职位
print(urlPos)
strurl=driver.find_element_by_xpath("id('_container_staff')/div[1]/div[1]/div["+j+"]/div[1]/a[1]").text#姓名
if urlPos==" ":
break
else:
sturl="职位"+urlPos+"姓名"+strurl+sturl
url[2]=sturl
print(url[2])
except:
url[2]='0'

https://segmentfault.com/q/1010000007516583?_ea=1372797