# Bug report ### Bug description: https://bytecodealliance.zulipchat.com/#narrow/stream/217126-wasmtime/topic/.60missing.20required.20memory.20export.60.20for.20threaded.20CPython/near/397361259 > I think you'll want -Wl,--export-memory (the --export-memory to wasm-ld) to get past that check; threaded modules for WASI need to both import and export their memory right now. ### CPython versions tested on: 3.12 ### Operating systems tested on: Other <!-- gh-linked-prs --> ### Linked PRs * gh-111099 * gh-111141 <!-- /gh-linked-prs -->