title: ServerNotFoundError: Unable to find the server at accounts.google.com
body: <p>I'm using a google authentication based on the following example. Everything was working and then suddendly when I tried to login I started getting  this error:</p>
  
  <blockquote>
    <p>httplib2.ServerNotFoundError ServerNotFoundError: Unable to find the
    server at accounts.google.com</p>
  </blockquote>
  
  <p>Any ideas on what might be wrong?</p>
  
  <pre><code>    from flask import Flask, redirect, url_for, session
  from flask_oauth import OAuth
  
  
  # You must configure these 3 values from Google APIs console
  # https://code.google.com/apis/console
  GOOGLE_CLIENT_ID = '&lt;Client-ID&gt;'
  GOOGLE_CLIENT_SECRET = '&lt;Client-secret&gt;'
  REDIRECT_URI = '/authorized'  # one of the Redirect URIs from Google APIs console
  
  SECRET_KEY = 'development key'
  DEBUG = True
  
  app = Flask(__name__)
  app.debug = DEBUG
  app.secret_key = SECRET_KEY
  oauth = OAuth()
  
  google = oauth.remote_app('google',
                            base_url='https://www.google.com/accounts/',
                            authorize_url='https://accounts.google.com/o/oauth2/auth',
                            request_token_url=None,
                            request_token_params={'scope': 'https://www.googleapis.com/auth/userinfo.email',
                                                  'response_type': 'code'},
                            access_token_url='https://accounts.google.com/o/oauth2/token',
                            access_token_method='POST',
                            access_token_params={'grant_type': 'authorization_code'},
                            consumer_key=GOOGLE_CLIENT_ID,
                            consumer_secret=GOOGLE_CLIENT_SECRET)
  
  @app.route('/')
  def index():
      access_token = session.get('access_token')
      if access_token is None:
          return redirect(url_for('login'))
  
      access_token = access_token[0]
      from urllib2 import Request, urlopen, URLError
  
      headers = {'Authorization': 'OAuth '+access_token}
      req = Request('https://www.googleapis.com/oauth2/v1/userinfo',
                    None, headers)
      try:
          res = urlopen(req)
      except URLError, e:
          if e.code == 401:
              # Unauthorized - bad token
              session.pop('access_token', None)
              return redirect(url_for('login'))
          return res.read()
  
      return res.read()
  
  
  @app.route('/login')
  def login():
      callback=url_for('authorized', _external=True)
      return google.authorize(callback=callback)
  
  
  
  @app.route(REDIRECT_URI)
  @google.authorized_handler
  def authorized(resp):
      access_token = resp['access_token']
      session['access_token'] = access_token, ''
      return redirect(url_for('index'))
  
  
  @google.tokengetter
  def get_access_token():
      return session.get('access_token')
  
  
  def main():
      app.run()
  
  
  if __name__ == '__main__':
      main()
  </code></pre>