code: def _predict_numpy(
      self, data: Union[np.ndarray, Dict[str, np.ndarray]], **kwargs
  ) -> Union[np.ndarray, Dict[str, np.ndarray]]:
      return data * self.factor
  
imports: import uuid
  from typing import Dict, Optional, Union
  from unittest import mock
  import numpy
  import pandas
  import pytest
  import ray
  from ray.air.constants import TENSOR_COLUMN_NAME
  from ray.air.util.data_batch_conversion import BatchFormat
  from ray.data import Preprocessor
  from ray.train._internal.framework_checkpoint import FrameworkCheckpoint
  from ray.train.predictor import Predictor, PredictorNotSerializableException
  from ray.train.tests.util import create_dict_checkpoint, load_dict_checkpoint
label_desc: Use image node_id 1 for calling the DummyWithNumpyPredictor obj's underlying member method code with example usage: obj._predict_numpy(data) and returns: unknown