Windows mmap should (as the docs probably <wink> say) create a mapping without a name when the optional tagname arg isn't specified.  Was actually creating a mapping with an empty string as the name.
Windows mmap should (as the docs probably <wink> say) create a mapping
without a name when the optional tagname arg isn't specified.  Was
actually creating a mapping with an empty string as the name.

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