fix: check return code in unpack_callback_int64#665

methane merged 4 commits intomsgpack:mainmsgpack/msgpack-python:mainfrom

KowalskiThomas:kowalski/fix-check-return-code-in-unpack_callback_int64KowalskiThomas/msgpack-python:kowalski/fix-check-return-code-in-unpack_callback_int64Copy head branch name to clipboard