Deprecation wrapper

def get_logits_over_interval(*args, **kwargs):
  """Deprecation wrapper"""
  warnings.warn("`get_logits_over_interval` has moved to "
                "`cleverhans.plot.pyplot_image`. "
                "cleverhans.utils.get_logits_over_interval may be removed on "
                "or after 2019-04-24.")
  # pylint:disable=line-too-long
  from cleverhans.plot.pyplot_image import get_logits_over_interval as new_get_logits_over_interval
  return new_get_logits_over_interval(*args, **kwargs)