Fix typo in method name.  The LT class implemented less than.  The LE class should implement less than or equal to (as the code does).
Fix typo in method name.  The LT class implemented less than.  The LE class
should implement less than or equal to (as the code does).

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