Python - parse json

from urllib.request import urlopen
import json

url = 'http://webales.fdv.uni-lj.si/TwitterAnze/twitDB-2017-06-13.txt'

with urlopen(url) as f:
    for line in f:

        line = line.decode('utf-8')
        line = line.strip()

        if line:
            data = json.loads(line)

            if 'text' in data:
                t_text = data['text']
                tweet_time = data['created_at']
                tweet_user = data['user']['screen_name']
                print(t_text, tweet_time, tweet_user)