Add new flags for PyType_Ready(): READY to explicitly indicate the type is ready, and READYING to indicate that it is busy with the type.
Add new flags for PyType_Ready(): READY to explicitly indicate the
type is ready, and READYING to indicate that it is busy with the type.

A recursive call is a fatal error.

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