fix: properly handle return codes in pack_timestamp#672

KowalskiThomas wants to merge 1 commit intomsgpack:mainmsgpack/msgpack-python:mainfrom

KowalskiThomas:kowalski/fix-properly-handle-return-codes-in-pack_timestampKowalskiThomas/msgpack-python:kowalski/fix-properly-handle-return-codes-in-pack_timestampCopy head branch name to clipboard