code: def test_assert(self):
      with pytest.raises(
          AssertionError,
          match=r"All variables shape\[0\] in Minibatch should be equal",
      ):
          d1, d2 = pm.Minibatch(
              self.data, self.data[::2], batch_size=20
          )
          d1.eval()
  
imports: import io
  import itertools
  import re
  import cloudpickle
  import numpy
  import pytensor
  import pytensor.tensor
  import pytest
  from pytensor import shared
  from pytensor.tensor.variable import TensorVariable
  import pymc
  from pymc.data import is_minibatch
  from pymc.pytensorf import GeneratorOp, floatX
label_desc: Use image node_id 5 for calling the TestMinibatch obj's underlying member method code with example usage: obj.test_assert() without return types