@app.route('/vk_callback')
def vk_callback():
	code = request.args.get('code', '')
	url = 'https://api.vk.com/oauth/token?client_id='+VK_CLIENT_ID+'&redirect_uri='+DOMAIN+'/vk_callback&code='+code+'&client_secret='+VK_SECRET
	vk_json = json.loads(urlfetch.fetch(url,method=urlfetch.GET,headers={'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20100101 Firefox/12.0'}).content)

File "C:\Program Files\Google\google_appengine\google\appengine\api\urlfetch.py", line 397, in _get_fetch_result
    raise DownloadError("Unable to fetch URL: " + url + error_detail)
DownloadError: Unable to fetch URL: https://api.vk.com/oauth/token?client_id=000000&redirect_uri=http://localhost:8080/vk_callback&code=323d136ee9f0c6f0f7&client_secret=hhhhhhhhhhhhhhh Error: [Errno 10092] getaddrinfo failed

>>> import socket
>>> socket.getaddrinfo('google.com', 80)
[(2, 0, 0, '', ('188.43.64.148', 80)), (2, 0, 0, '', ('188.43.64.152', 80)), (2,
 0, 0, '', ('188.43.64.154', 80)), (2, 0, 0, '', ('188.43.64.155', 80)), (2, 0,
0, '', ('188.43.64.159', 80)), (2, 0, 0, '', ('188.43.64.163', 80)), (2, 0, 0, '
', ('188.43.64.165', 80)), (2, 0, 0, '', ('188.43.64.166', 80)), (2, 0, 0, '', (
'188.43.64.170', 80)), (2, 0, 0, '', ('188.43.64.174', 80)), (2, 0, 0, '', ('188
.43.64.176', 80)), (2, 0, 0, '', ('188.43.64.177', 80)), (2, 0, 0, '', ('188.43.
64.181', 80)), (2, 0, 0, '', ('188.43.64.185', 80)), (2, 0, 0, '', ('188.43.64.1
87', 80)), (2, 0, 0, '', ('188.43.64.144', 80))]
>>> socket.getaddrinfo('something_that_not_exists', 80)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
socket.gaierror: [Errno 11001] getaddrinfo failed
>>>