*   Upgrade Flatbuffers v2.0.5 from v1.12.0

*   `tf.keras`:

    *   `EinsumDense` layer is moved from experimental to core. Its import path
        is moved from `tf.keras.layers.experimental.EinsumDense` to
        `tf.keras.layers.EinsumDense`.
    *   Added `tf.keras.utils.audio_dataset_from_directory` utility to easily
        generate audio classification datasets from directories of `.wav` files.

```Python
from fastapi import FastAPI
from pydantic import BaseModel as BaseModelV2
from pydantic.v1 import BaseModel


class Item(BaseModel):
    name: str
    description: str | None = None


class ItemV2(BaseModelV2):
    title: str

) } for ; i < c.roundKeysSize(); i++ { t := c.enc[i-1] if i%nk == 0 { t = subw(rotw(t)) ^ (uint32(powx[i/nk-1]) << 24) } else if nk > 6 && i%nk == 4 { t = subw(t) } c.enc[i] = c.enc[i-nk] ^ t } // Derive decryption key from encryption key. // Reverse the 4-word round key sets from enc to produce dec. // All sets but the first and last get the MixColumn transform applied. n := c.roundKeysSize() for i := 0; i < n; i += 4 { ei := n - i - 4 for j := 0; j < 4; j++ { x := c.enc[ei+j] if i > 0 && i+4 <...

sampleBoundedPoly samples a ringElement with coefficients in [−η, η] from the // seed rho and the index r. It implements RejBoundedPoly and CoeffFromHalfByte // from FIPS 204, passing in ρ and r separately from ExpandS. func sampleBoundedPoly(rho []byte, r byte, p parameters) ringElement { H := sha3.NewShake256() H.Write(rho) H.Write([]byte{r, 0}) // IntegerToBytes(r, 2) var a ringElement var j int var buf [136]byte // buffered reads from H, matching the rate of SHAKE-256 off := len(buf) // index into...