code: def test_ill_init(self):
      with self.assertRaisesRegexp(Exception, ""):
          sampler = CSVPatchSampler(
              reader=get_dynamic_window_reader(),
              csv_reader=get_csvpatchbad_reader(),
              window_sizes=DYNAMIC_MOD_DATA,
              batch_size=2,
              windows_per_image=10,
              queue_length=3,
          )
  
imports: from __future__ import absolute_import, division, print_function
  import os
  import numpy
  import tensorflow
  from niftynet.contrib.csv_reader.csv_reader import CSVReader
  from niftynet.contrib.csv_reader.sampler_csvpatch import CSVPatchSampler
  from niftynet.engine.image_window import N_SPATIAL
  from niftynet.engine.sampler_uniform_v2 import rand_spatial_coordinates
  from niftynet.io.image_reader import ImageReader
  from niftynet.io.image_sets_partitioner import ImageSetsPartitioner
  from niftynet.utilities.util_common import ParserNamespace
  from tests.niftynet_testcase import NiftyNetTestCase
label_desc: Use image node_id 8 for calling the CSVPatchSamplerTest obj's underlying member method code with example usage: obj.test_ill_init() without return types