message: equality testing instead of identity
diff: @@ -549,7 +549,7 @@ class TextVectorization(CombinerPreprocessingLayer):
  self.set_vocabulary(updates[_VOCAB_NAME])
  def _preprocess(self, inputs):
  - if self._standardize is LOWER_AND_STRIP_PUNCTUATION:
  + if self._standardize == LOWER_AND_STRIP_PUNCTUATION:
  lowercase_inputs = gen_string_ops.string_lower(inputs)
  inputs = string_ops.regex_replace(lowercase_inputs, DEFAULT_STRIP_REGEX,
  "")
  @@ -567,7 +567,7 @@ class TextVectorization(CombinerPreprocessingLayer):
  # so can be squeezed out. We do this here instead of after splitting for
  # performance reasons - it's more expensive to squeeze a ragged tensor.
  inputs = array_ops.squeeze(inputs, axis=1)
  - if self._split is SPLIT_ON_WHITESPACE:
  + if self._split == SPLIT_ON_WHITESPACE:
  # This treats multiple whitespaces as one whitespace, and strips leading
  # and trailing whitespace.
  inputs = ragged_string_ops.string_split_v2(inputs)
  