def verify_challenge(uri):
 while True:
  try:
   resp = urlopen(uri)
   challenge_status = json.loads(resp.read().decode('utf8'))
  except IOError as e:
   raise ValueError('Error checking challenge: {0} {1}'.format(e.code, json.loads(e.read().decode('utf8'))))
  if (challenge_status['status'] == 'pending'):
   time.sleep(2)
  elif (challenge_status['status'] == 'valid'):
   LOGGER.info('Domain verified!')
   break
  else:
   raise ValueError('Domain challenge did not pass: {0}'.format(challenge_status))

def verify_challenge ( uri ) : while True : try : resp = urlopen ( uri ) challenge_status = json . loads ( resp . read ( ) . decode ( 'utf8' ) ) except IOError as e : raise ValueError ( 'Error checking challenge: {0} {1}' . format ( e . code , json . loads ( e . read ( ) . decode ( 'utf8' ) ) ) ) if ( challenge_status [ 'status' ] == 'pending' ) : time . sleep ( 2 ) elif ( challenge_status [ 'status' ] == 'valid' ) : LOGGER . info ( 'Domain verified!' ) break else : raise ValueError ( 'Domain challenge did not pass: {0}' . format ( challenge_status ) )
loop until our challenge is verified .