[3.6] bpo-29714: Fix a regression that bytes format may fail when containing zero bytes inside.#504

zhangyangyu merged 2 commits into

python:3.6python/cpython:3.6from

zhangyangyu:backport-3.6-bpo-29714zhangyangyu/cpython:backport-3.6-bpo-29714Copy head branch name to clipboard