code: def test_draw_deepvariant_pileup_with_channels_input(
      self, composite_type
  ):
      channels = [_image_array((100, 221)) for _ in range(6)]
      # Test that it runs without error.
      vis.draw_deepvariant_pileup(
          channels=channels, composite_type=composite_type
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import glob
  import os
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  from third_party.nucleus.protos import variants_pb2
  from third_party.nucleus.testing import test_utils
  from third_party.nucleus.util import vis
  from tensorflow.core.example import example_pb2
  from tensorflow.core.example import feature_pb2
label_desc: Use image node_id 6 for calling the VisTest obj's underlying member method code with example usage: obj.test_draw_deepvariant_pileup_with_channels_input(composite_type) without return types