message: Fix some names
diff: @@ -560,14 +560,14 @@ def py_func_common(func, inp, Tout, stateful=True, name=None):
  return np.cast[np.uint8](i) * np.ones([20,256,256,3],
  dtype=np.float32) / 10.
  - def make_clean_data(i):
  + def preprocess_fn(i):
  ones = tf.py_function(make_synthetic_data,[i],tf.float32)
  ones.set_shape(tf.TensorShape([None, None, None, None]))
  ones = tf.image.resize(ones, [224,224])
  return ones
  ds = tf.data.Dataset.range(10)
  - ds = ds.map(make_clean_data)
  + ds = ds.map(preprocess_fn)
  ```
  Args:
  