diff --git a/test/simple_source/def/01_class.py b/test/simple_source/def/01_class.py
new file mode 100644
index 00000000..79a7eda2
--- /dev/null
+++ b/test/simple_source/def/01_class.py
@@ -0,0 +1,2 @@
+class A:
+    pass
diff --git a/test/simple_source/def/10_class.py b/test/simple_source/def/10_class.py
new file mode 100644
index 00000000..af9983c3
--- /dev/null
+++ b/test/simple_source/def/10_class.py
@@ -0,0 +1,33 @@
+class A:
+
+    class A1:
+        def __init__(self):
+            self.a1 = True
+
+        def foo(self):
+            self.b = True
+
+    def __init__(self):
+        self.a = True
+
+    def foo(self):
+        self.fooed = True
+
+
+class B:
+    def __init__(self):
+        self.bed = True
+
+    def bar(self):
+        self.barred = True
+
+
+class C(A,B):
+    def foobar(self):
+        self.foobared = True
+
+
+c = C()
+c.foo()
+c.bar()
+c.foobar()
diff --git a/uncompyle6/opcodes/opcode_32.py b/uncompyle6/opcodes/opcode_32.py
index 238877b5..879e815c 100644
--- a/uncompyle6/opcodes/opcode_32.py
+++ b/uncompyle6/opcodes/opcode_32.py
@@ -92,6 +92,12 @@ def_op('STORE_LOCALS', 69)
 def_op('PRINT_EXPR', 70)
 def_op('LOAD_BUILD_CLASS', 71)
 
+# Python3 drops/changes:
+#  def_op('PRINT_ITEM', 71)
+#  def_op('PRINT_NEWLINE', 72)
+#  def_op('PRINT_ITEM_TO', 73)
+#  def_op('PRINT_NEWLINE_TO', 74)
+
 def_op('INPLACE_LSHIFT', 75)
 def_op('INPLACE_RSHIFT', 76)
 def_op('INPLACE_AND', 77)
diff --git a/uncompyle6/opcodes/opcode_34.py b/uncompyle6/opcodes/opcode_34.py
index be57b5fa..c9b9b472 100644
--- a/uncompyle6/opcodes/opcode_34.py
+++ b/uncompyle6/opcodes/opcode_34.py
@@ -100,13 +100,19 @@ def_op('BINARY_OR', 66)
 def_op('INPLACE_POWER', 67)
 def_op('GET_ITER', 68)
 
-## FIXME: no code generates this
+# FIXME: no code generates this
 def_op('STORE_LOCALS', 69)
 
 def_op('PRINT_EXPR', 70)
 def_op('LOAD_BUILD_CLASS', 71)
 def_op('YIELD_FROM', 72)
 
+# Python3 drops/changes:
+#  def_op('PRINT_ITEM', 71)
+#  def_op('PRINT_NEWLINE', 72)
+#  def_op('PRINT_ITEM_TO', 73)
+#  def_op('PRINT_NEWLINE_TO', 74)
+
 def_op('INPLACE_LSHIFT', 75)
 def_op('INPLACE_RSHIFT', 76)
 def_op('INPLACE_AND', 77)
diff --git a/uncompyle6/parsers/parse3.py b/uncompyle6/parsers/parse3.py
index a1843ce4..bcd24432 100644
--- a/uncompyle6/parsers/parse3.py
+++ b/uncompyle6/parsers/parse3.py
@@ -164,34 +164,35 @@ class Python3Parser(PythonParser):
         assign3 ::= expr expr expr ROT_THREE ROT_TWO designator designator designator
         '''
 
-    def p_print(self, args):
-        '''
-        stmt ::= print_items_stmt
-        stmt ::= print_nl
-        stmt ::= print_items_nl_stmt
+    # Python3 doesn't have a built-in print.
+    # def p_print(self, args):
+    #     '''
+    #     stmt ::= print_items_stmt
+    #     stmt ::= print_nl
+    #     stmt ::= print_items_nl_stmt
 
-        print_items_stmt ::= expr PRINT_ITEM print_items_opt
-        print_items_nl_stmt ::= expr PRINT_ITEM print_items_opt PRINT_NEWLINE_CONT
-        print_items_opt ::= print_items
-        print_items_opt ::=
-        print_items ::= print_items print_item
-        print_items ::= print_item
-        print_item ::= expr PRINT_ITEM_CONT
-        print_nl ::= PRINT_NEWLINE
-        '''
+    #     print_items_stmt ::= expr PRINT_ITEM print_items_opt
+    #     print_items_nl_stmt ::= expr PRINT_ITEM print_items_opt PRINT_NEWLINE_CONT
+    #     print_items_opt ::= print_items
+    #     print_items_opt ::=
+    #     print_items ::= print_items print_item
+    #     print_items ::= print_item
+    #     print_item ::= expr PRINT_ITEM_CONT
+    #     print_nl ::= PRINT_NEWLINE
+    #     '''
 
-    def p_print_to(self, args):
-        '''
-        stmt ::= print_to
-        stmt ::= print_to_nl
-        stmt ::= print_nl_to
-        print_to ::= expr print_to_items POP_TOP
-        print_to_nl ::= expr print_to_items PRINT_NEWLINE_TO
-        print_nl_to ::= expr PRINT_NEWLINE_TO
-        print_to_items ::= print_to_items print_to_item
-        print_to_items ::= print_to_item
-        print_to_item ::= DUP_TOP expr ROT_TWO PRINT_ITEM_TO
-        '''
+    # def p_print_to(self, args):
+    #     '''
+    #     stmt ::= print_to
+    #     stmt ::= print_to_nl
+    #     stmt ::= print_nl_to
+    #     print_to ::= expr print_to_items POP_TOP
+    #     print_to_nl ::= expr print_to_items PRINT_NEWLINE_TO
+    #     print_nl_to ::= expr PRINT_NEWLINE_TO
+    #     print_to_items ::= print_to_items print_to_item
+    #     print_to_items ::= print_to_item
+    #     print_to_item ::= DUP_TOP expr ROT_TWO PRINT_ITEM_TO
+    #     '''
 
     def p_import20(self, args):
         '''