variants is not a function

[sideshot]

I'm getting this when installing into tailwind 4.1

TypeError: variants is not a function
    at /var/www/.com/node_modules/tailwindcss-font-inter/src/index.js:78:28
    at gi (/var/www/.com/node_modules/tailwindcss/dist/lib.js:26:2129)
    at hi (/var/www/.com/node_modules/tailwindcss/dist/lib.js:26:1080)
    at async bi (/var/www/.com/node_modules/tailwindcss/dist/lib.js:35:158)
    at async yi (/var/www/.com/node_modules/tailwindcss/dist/lib.js:35:1123)
    at async _r (/var/www/.com/node_modules/@tailwindcss/node/dist/index.js:10:3384)
    at async p (/var/www/.com/node_modules/@tailwindcss/postcss/dist/index.js:10:4019)
    at async Object.Once (/var/www/.com/node_modules/@tailwindcss/postcss/dist/index.js:10:4290)
    at async LazyResult.runAsync (/var/www/.com/node_modules/postcss/lib/lazy-result.js:293:11)
    at async runPostCSS (file:///var/www/.com/node_modules/vite/dist/node/chunks/dep-DPTTEEJb.js:32371:19)    

"tailwindcss-font-inter": "^4.0.0",