[3.5] bpo-30378: Fix the problem that SysLogHandler can't handle IPv6 addresses#1902

zhangyangyu merged 1 commit intopython:3.5python/cpython:3.5from

zhangyangyu:backport-3.5-bpo-30378zhangyangyu/cpython:backport-3.5-bpo-30378Copy head branch name to clipboard