code: def test_transform_age(self):
      transformer = lore.transformers.Age("test", unit="days")
      yesterday = datetime.datetime.now() - datetime.timedelta(days=1)
  
      data = pandas.DataFrame(
          {"test": [datetime.datetime.now(), yesterday]}
      )
      transformed = transformer.transform(data)
      self.assertEqual(transformed.astype(int).tolist(), [0, 1])
  
imports: import unittest
  import datetime
  import math
  import numpy
  import pandas
  import lore.transformers
label_desc: Use image node_id 1 for calling the TestAge obj's underlying member method code with example usage: obj.test_transform_age() without return types