code: def input_shape_with_None(self):
      return (2, 3, None, 5, 7)
  
imports: import numpy
  import pytest
  import theano
  from mock import Mock
label_desc: Use image node_id 4 for calling the TestDimshuffleLayer obj's underlying member method code with example usage: obj.input_shape_with_None() and returns: int,  int,  None,  int,  int