fix a couple nits related to my understanding of ReST.  Use of
fix a couple nits related to my understanding of ReST.  Use of

    ``void (*)(PyObject *)``

isn't quite the same as

    void (*)(PyObject \*)

but I gather ``...`` is preferable stylistically in most cases than
... \*...

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