code: def listdir(path):
      """generate files of path"""
      for filename in os.listdir(path):
          yield os.path.join(path, filename)
  
imports: import os
  from absl import logging
  import numpy
  import delta.compat
  from tensorflow.python.client import device_lib
  from tensorflow.python.estimator.canned import metric_keys
  from tensorflow.python.util import nest
  from delta.utils.register import registers
label_desc: Use image node_id 14 for calling a global function with example usage: listdir(path) without return types