Fix the docstrings for keys(), items(), values() (especially the latter). Get rid of some #ifdef'ed-out code.
Fix the docstrings for keys(), items(), values() (especially the latter).
Get rid of some #ifdef'ed-out code.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator