def _TestRemoveFollowers(tester, user_cookie, request_dict):
  validator = tester.validator
  user_id, device_id = tester.GetIdsFromCookie(user_cookie)
  request_dict = deepcopy(request_dict)
  viewpoint_id = request_dict['viewpoint_id']
  remove_ids = request_dict['remove_ids']

  # Send remove_followers request.
  actual_dict = tester.SendRequest('remove_followers', user_cookie, request_dict)
  op_dict = tester._DeriveNotificationOpDict(user_id, device_id, request_dict)

  # Validate each of the removed followers.
  for follower_id in remove_ids:
    follower = validator.GetModelObject(Follower, DBKey(follower_id, viewpoint_id), must_exist=False)
    if follower is not None:
      new_labels = follower.labels.union([Follower.REMOVED, Follower.UNREVIVABLE])
      follower = validator.ValidateFollower(user_id=follower_id,
                                            viewpoint_id=viewpoint_id,
                                            labels=new_labels,
                                            last_updated=op_dict['op_timestamp'])

  # Validate activity and notifications for the add.
  activity_dict = {'name': 'remove_followers',
                   'activity_id': request_dict['activity']['activity_id'],
                   'timestamp': request_dict['activity']['timestamp'],
                   'follower_ids': remove_ids}

  def _GetInvalidate(follower_id):
    if follower_id in remove_ids:
      return {'viewpoints': [{'viewpoint_id': viewpoint_id, 'get_attributes': True}]}
    else:
      return {'viewpoints': [{'viewpoint_id': viewpoint_id, 'get_followers': True}]}

  validator.ValidateFollowerNotifications(viewpoint_id,
                                          activity_dict,
                                          op_dict,
                                          _GetInvalidate)

  validator.ValidateViewpointAccounting(viewpoint_id)
  tester._CompareResponseDicts('remove_followers', user_id, request_dict, {}, actual_dict)
  return actual_dict
Take the output of numpy.linalg.svd and return the eigenvalue and vectors
dataset/ETHPy150Open viewfinderco/viewfinder/backend/www/test/remove_followers_test.py/_TestRemoveFollowers--crossover with--dataset/ETHPy150Open charanpald/APGL/apgl/util/Util.py/Util.indSvd