Test artist.gettoptags last.fm service

toptags.py

import time
import json
import urllib2

while True:
    url = 'http://ws.audioscrobbler.com/2.0/?method=artist.gettoptags&artist=Example&api_key=24836bd9d7043e3c0bc65aa801ba8821&format=json'
    res = json.load(urllib2.urlopen(url))
    if 'toptags' not in res:
        print res # should never get here!
    time.sleep(.2)