class_docstr: Test DataTransforms for images
class_docstr_tok: ["Test","DataTransforms","for","images"]
code: def test_flipping(self):
      # Check flip
      dt = DataTransforms(self.d)
      flip_lr = dt.flip(direction="lr")
      flip_ud = dt.flip(direction="ud")
      check_lr = np.fliplr(self.d)
      check_ud = np.flipud(self.d)
      assert np.allclose(flip_ud, check_ud)
      assert np.allclose(flip_lr, check_lr)
  
imports: import os
  import unittest
  import numpy
  import pytest
  import scipy.ndimage
  import deepchem
  from deepchem.trans.transformers import DataTransforms
label_desc: Use image node_id 7 for calling the TestDataTransforms obj's underlying member method code with example usage: obj.test_flipping() without return types