Fix the way a trailing / is changed to /index.html so that it doesn't depend on the value of os.sep.  (I.e. ported to Windows :-)
Fix the way a trailing / is changed to /index.html so that it
doesn't depend on the value of os.sep.  (I.e. ported to Windows :-)

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