code: def test_permute_with_dynamic_batch_size(self):
      input_layer = layers.Input(batch_shape=(None, 3, 5))
      permuted = layers.Permute((2, 1))(input_layer)
      self.assertEqual(permuted.shape, (None, 5, 3))
  
file_path: keras/keras/layers/reshaping/permute_test.py
imports: import numpy
  import pytest
  from absl.testing import parameterized
  from keras import backend
  from keras import layers
  from keras import ops
  from keras import testing
label_desc: Use image node_id 2 for calling the PermuteTest obj's underlying member method code with example usage: obj.test_permute_with_dynamic_batch_size() without return types