code: def transform_array(self, X, y, w, ids):
      return (2 * X, 1.5 * y, w, ids)
  
imports: import random
  import math
  import unittest
  import os
  import numpy
  import pytest
  import deepchem
  import pandas
  import tempfile
label_desc: Use image node_id 1 for calling the TestTransformer obj's underlying member method code with example usage: obj.transform_array(X, y, w, ids) and returns: unknown,  unknown,  w,  ids