code: def to_snake_case(name):
      intermediate = re.sub("(.)([A-Z][a-z0-9]+)", r"\1_\2", name)
      insecure = re.sub(
          "([a-z])([A-Z])", r"\1_\2", intermediate
      ).lower()
      return insecure
  
file_path: autokeras/autokeras/utils/utils.py
imports: import re
  import warnings
  import keras_tuner
  import tensorflow
  from packaging.version import parse
  from tensorflow import nest
label_desc: Use image node_id 2 for calling a global function with example usage: to_snake_case(name) and returns: insecure