'Handle a GET request.
Parses the query parameters and prints a message
if the flow has completed. Note that we can\'t detect
if an error occurred.'

def do_GET(self):

    self.send_response(http_client.OK)
    self.send_header('Content-type', 'text/html')
    self.end_headers()
    parts = urllib.parse.urlparse(self.path)
    query = _helpers.parse_unique_urlencoded(parts.query)
    self.server.query_params = query
    self.wfile.write('<html><head><title>Authentication    Status</title></head>')
    self.wfile.write('<body><p>The    authentication    flow    has    completed.</p>')
    self.wfile.write('</body></html>')
