Better "try" vs. "try"/"else" disambiguation ...

via reduction check that was originally only in 2.7

uncompyle6/semantics/customize3.py

@@ -443,7 +443,7 @@ def customize_for_version3(self, version):
             "tryelsestmtl3": (
                 "%|try:\n%+%c%-%c%|else:\n%+%c%-",
                 (1, "suite_stmts_opt"),
-                (3, "except_handler"),
+                (3, "except_handler_else"),
                 (5, "else_suitel"),
             ),
             "LOAD_CLASSDEREF": ("%{pattr}",),