`--unstable-sloppy-import` not working

scarf@fedora ~> deno repl --no-lock --unstable-sloppy-imports 
Deno 2.1.9
exit using ctrl+d, ctrl+c, or close()
> import { pipe } from 'npm:fp-ts/function'
Uncaught TypeError: Directory import /var/home/scarf/.cache/deno/npm/registry.npmjs.org/fp-ts/2.16.9/function
  Caused by:
    Is a directory (os error 21)
    at async <anonymous>:1:39
> 

scarf@fedora ~> deno repl --no-lock --unstable-sloppy-imports 
Deno 2.1.9
exit using ctrl+d, ctrl+c, or close()
> import { pipe } from 'npm:fp-ts/function'
Uncaught TypeError: Directory import /var/home/scarf/.cache/deno/npm/registry.npmjs.org/fp-ts/2.16.9/function
  Caused by:
    Is a directory (os error 21)
    at async <anonymous>:1:39
>