get_artists.py

import requests
import sys
import urllib
from pprint import pprint

url = "http://ws.audioscrobbler.com/2.0/"
body = {
    'method': "user.gettopartists",
    'user': "alairock",
    'api_key': '301a3a6d4301644d5a078e7f1fac0e78',
    'limit': 9,
    'period': '3month',
    'format': 'json'
}

r = requests.get(url, body)
if r.status_code == 403:
    print('cannot access')
    sys.exit()
artists = r.json()['topartists']['artist']

def download_file(url, directory):
    path = directory + "/" + 'newfile.jpg'
    print(path)
    urllib.request.urlretrieve(url , path)  # <-- This works now! 

for artist in artists:
    url = artist['image'][3]['#text']
    download_file(url, '/Users/alairock/Desktop')
    sys.exit()