code: def expand_path(path):
      return os.path.abspath(
          os.path.expandvars(os.path.expanduser(path))
      )
  
file_path: magenta/magenta/models/gansynth/lib/util.py
imports: import io
  import os
  from absl import logging
  import numpy
  import tensorflow.compat.v1
  import tf_slim
label_desc: Use image node_id 8 for calling a global function with example usage: expand_path(path) and returns: os