Non-function fields, like tp_dictoffset and tp_weaklistoffset, should be inherited in inherit_special(), otherwise dynamic types don't inherit these.
Non-function fields, like tp_dictoffset and tp_weaklistoffset, should
be inherited in inherit_special(), otherwise dynamic types don't
inherit these.

Also added some XXX comments about open ends.

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