[3.6] Fix trivial typo in pickle.rst (GH-4955)#4958

serhiy-storchaka merged 1 commit into

python:3.6python/cpython:3.6from

miss-islington:backport-a8d25a1-3.6miss-islington/cpython:backport-a8d25a1-3.6Copy head branch name to clipboard