code: def batch_size(self):
      return self._batch_size
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  from turicreate.toolkits._tf_model import TensorFlowModel
  import numpy
  import turicreate.toolkits._tf_utils
  from turicreate._deps.minimal_package import _minimal_package_import_check
label_desc: Use image node_id 5 for calling the StyleTransferTensorFlowModel obj's underlying member method code with example usage: obj.batch_size() and returns: self