`spot_meta_and_asset_ctxs` doesn't inject dex into the payload

[satwikkansal]

    def spot_meta_and_asset_ctxs(self) -> SpotMetaAndAssetCtxs:
        """Retrieve exchange spot asset contexts
        POST /info
        Returns:
            [
                {
                    universe: [
                        {
                            tokens: [int, int],
                            name: str,
                            index: int,
                            isCanonical: bool
                        },
                        ...
                    ],
                    tokens: [
                        {
                            name: str,
                            szDecimals: int,
                            weiDecimals: int,
                            index: int,
                            tokenId: str,
                            isCanonical: bool
                        },
                        ...
                    ]
                },
                [
                    {
                        dayNtlVlm: float string,
                        markPx: float string,
                        midPx: Optional(float string),
                        prevDayPx: float string,
                        circulatingSupply: float string,
                        coin: str
                    }
                    ...
                ]
            ]
        """
        return cast(SpotMetaAndAssetCtxs, self.post("/info", {"type": "spotMetaAndAssetCtxs"}))

While the Info class supports perp_dexs constructor argument, when I fetch spot_meta_and_asset_ctxs the dex is not passed in the payload, nor the method supports a dex argument