Not found error running Node SDK on Deno 2.1.10

[tazmaniax]

I'm getting the following error using the AssemblyAI SDK on Deno 2.1.10 with the SDK imported as "assemblyai": "npm:assemblyai@^4.9.0". Using the straight HTTP API is fine.

Error: Not found
    at TranscriptService.fetch (file:///Users/chris/Library/Caches/deno/npm/registry.npmjs.org/assemblyai/4.9.0/dist/deno.mjs:88:23)
    at eventLoopTick (ext:core/01_core.js:177:7)
    at async TranscriptService.fetchJson (file:///Users/chris/Library/Caches/deno/npm/registry.npmjs.org/assemblyai/4.9.0/dist/deno.mjs:95:26)
    at async TranscriptService.submit (file:///Users/chris/Library/Caches/deno/npm/registry.npmjs.org/assemblyai/4.9.0/dist/deno.mjs:510:22)
    at async TranscriptService.transcribe (file:///Users/chris/Library/Caches/deno/npm/registry.npmjs.org/assemblyai/4.9.0/dist/deno.mjs:472:28)