## Deprecations

puzzled expression that she could not help bursting out laughing:
and when she had got its head down, and was going to begin again,
it was very provoking to find that the hedgehog had unrolled
itself, and was in the act of crawling away:  besides all this,
there was generally a ridge or furrow in the way wherever she
wanted to send the hedgehog to, and, as the doubled-up soldiers
were always getting up and walking off to other parts of the

    functional api would only work if all of the elements in the first argument
    to the layer came from a keras input.
*   Clean up `BatchNormalization` layer's `trainable` property to act like
    standard python state when it's used inside `tf.functions` (frozen at
    tracing time), instead of acting like a pseudo-variable whose updates *kind