WASM Emscripten 3.x fails with: Cannot find module 'ws' #146325

0:06:44 load avg: 0.10 [255/501] test_import
0:06:46 load avg: 0.10 [255/501] test_import passed
0:06:46 load avg: 0.10 [256/501] test_importlib
node:internal/modules/cjs/loader:1456
  const err = new Error(message);
              ^
Error: Cannot find module 'ws'
Require stack:
- /home/emscripten/buildarea/3.x.rkm-emscripten.emscripten/build/cross-build/wasm32-emscripten/build/python/python.mjs
    at Module._resolveFilename (node:internal/modules/cjs/loader:1456:15)
    at defaultResolveImpl (node:internal/modules/cjs/loader:1066:19)
    at resolveForCJSWithHooks (node:internal/modules/cjs/loader:1071:22)
    at Module._load (node:internal/modules/cjs/loader:1242:25)
    at wrapModuleLoad (node:internal/modules/cjs/loader:255:19)
    at Module.require (node:internal/modules/cjs/loader:1556:12)
    at require (node:internal/modules/helpers:152:16)
    at Object.listen (file:///home/emscripten/buildarea/3.x.rkm-emscripten.emscripten/build/cross-build/wasm32-emscripten/build/python/python.mjs:1:99158)
    at ___syscall_listen (file:///home/emscripten/buildarea/3.x.rkm-emscripten.emscripten/build/cross-build/wasm32-emscripten/build/python/python.mjs:1:116282)
    at wasm://wasm/02b65c12:wasm-function[16939]:0x730c5a {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
    '/home/emscripten/buildarea/3.x.rkm-emscripten.emscripten/build/cross-build/wasm32-emscripten/build/python/python.mjs'
  ]
}
Node.js v24.14.0
program finished with exit code 1