[docs] [issue13867] misleading comment in weakrefobject.h

Roundup Robot added the comment: New changeset 1cd2fca12abf by Georg Brandl in branch '3.3': Closes #13867: remove untrue comment about PyWeakref_Check(). http://hg.python.org/cpython/rev/1cd2fca12abf ---------- _______________________________________ Python tracker <report@bugs.python.org> <http://bugs.python.org/issue13867> _______________________________________