LOAD assert needs to be on 3.x...

Expand testing

uncompyle6/parsers/parse3.py

@@ -123,6 +123,7 @@ class Python3Parser(PythonParser):
         stmt ::= classdefdeco
         classdefdeco ::= classdefdeco1 store
 
+        expr   ::= LOAD_ASSERT
         assert ::= assert_expr jmp_true LOAD_ASSERT RAISE_VARARGS_1 COME_FROM
 
         assert_expr ::= expr

uncompyle6/parsers/parse34.py

@@ -31,6 +31,9 @@ class Python34Parser(Python33Parser):
         expr ::= LOAD_ASSERT
 
 
+        # passtmt is needed for semantic actions to add "pass"
+        suite_stmts_opt ::= pass
+
         # Seems to be needed starting 3.4.4 or so
         while1stmt    ::= SETUP_LOOP l_stmts
                           COME_FROM JUMP_BACK POP_BLOCK COME_FROM_LOOP