Partial fix for SF bug 122780 (msvcrt.locking constants aren't defined). Still needs docs; see bug report (which was reassigned to Fred) for MS's docs.
Partial fix for SF bug 122780 (msvcrt.locking constants aren't defined).
Still needs docs; see bug report (which was reassigned to Fred) for MS's docs.

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