code: def data_format(self) -> str:
      import tensorflow as tf
  
      return cast(str, tf.keras.backend.image_data_format())
  
file_path: foolbox/foolbox/models/tensorflow.py
imports: from typing import cast, Any
  import eagerpy
  from ..types import BoundsInput, Preprocessing
  from .base import ModelWithPreprocessing
label_desc: Use image node_id 2 for calling the TensorFlowModel obj's underlying member method code with example usage: obj.data_format() and returns: cast