Check HTTP Status of a csv list of URLS

statusCheck.py

import urllib3
import os
import csv

rows = []
http=urllib3.PoolManager()
#load the csv list of URLs to check
with open('urls.csv', 'r') as input:
    csv_reader = csv.reader(input)
    for blog in csv_reader:
        #check blogs in list for status
        try:
            #this get response will only retry a url 3 times, does not preload the site data, and records the status but does not load a redirect
            resp = http.request('GET', blog[0], retries=3, preload_content=False, redirect=False)
            line = [blog[0], resp.status]
            rows.append(line)
            resp.release_conn()
        #if there's a domain not found error, it will be caught by this except
        except:
            line = [blog[0], "no connection"]
            rows.append(line)

with open('urlStatus.csv', 'w') as output:
    csv_writer = csv.writer(output)
    csv_writer.writerows(rows)