code: def flatten_with_joined_string_paths(structure, separator="/"):
      """Replacement for deprecated tf.nest.flatten_with_joined_string_paths."""
      return [
          (separator.join(map(str, path)), item)
          for path, item in tree.flatten_with_path(structure)
      ]
  
file_path: model-optimization/tensorflow_model_optimization/python/core/internal/tensor_encoding/utils/py_utils.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import enum
  import numpy
  import six
  import tensorflow
  import tree
label_desc: Use image node_id 4 for calling a global function with example usage: flatten_with_joined_string_paths(structure, separator) and returns: unknown