multiple times. This is because it would produce the same values each
        time, which may not be intended.
*   API changes under `tf.experimental.dtensor`:
    *   New API for initialization of CPU/GPU/TPU in dtensor.
        `dtensor.initialize_accelerator_system` and
        `dtensor.shutdown_accelerator_system`.
    *   The following existing API will be removed:

Package check implements the FIPS 140 load-time code+data verification. // Every FIPS package providing cryptographic functionality except hmac and sha256 // must import crypto/internal/fips140/check, so that the verification happens // before initialization of package global variables. // The hmac and sha256 packages are used by this package, so they cannot import it. // Instead, those packages must be careful not to change global variables during init. // (If necessary, we could have check call...