PyErr_Format(): Factor out most of this code into     PyString_FromFormat() since it's much more generally useful than     just for exceptions.
PyErr_Format(): Factor out most of this code into
    PyString_FromFormat() since it's much more generally useful than
    just for exceptions.

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