diff --git a/Lib/plat-mac/aepack.py b/Lib/plat-mac/aepack.py
index 3511270..7ce8548 100644
--- a/Lib/plat-mac/aepack.py
+++ b/Lib/plat-mac/aepack.py
@@ -13,8 +13,6 @@
 #
 
 import struct
-import types
-from types import *
 from Carbon import AE
 from Carbon.AppleEvents import *
 import MacOS
@@ -74,7 +72,7 @@
     """Pack a python object into an AE descriptor"""
 
     if forcetype:
-        if type(x) is StringType:
+        if isinstance(x, str):
             return AE.AECreateDesc(forcetype, x)
         else:
             return pack(x).AECoerceDesc(forcetype)
@@ -90,29 +88,29 @@
         return AE.AECreateDesc('fsrf', x.data)
     if isinstance(x, AliasType):
         return AE.AECreateDesc('alis', x.data)
-    if isinstance(x, IntType):
+    if isinstance(x, int):
         return AE.AECreateDesc('long', struct.pack('l', x))
-    if isinstance(x, FloatType):
+    if isinstance(x, float):
         return AE.AECreateDesc('doub', struct.pack('d', x))
-    if isinstance(x, StringType):
+    if isinstance(x, str):
         return AE.AECreateDesc('TEXT', x)
-    if isinstance(x, UnicodeType):
+    if isinstance(x, unicode):
         data = x.encode('utf16')
         if data[:2] == '\xfe\xff':
             data = data[2:]
         return AE.AECreateDesc('utxt', data)
-    if isinstance(x, ListType):
+    if isinstance(x, list):
         list = AE.AECreateList('', 0)
         for item in x:
             list.AEPutDesc(0, pack(item))
         return list
-    if isinstance(x, DictionaryType):
+    if isinstance(x, dict):
         record = AE.AECreateList('', 1)
         for key, value in x.items():
             packkey(record, key, value)
             #record.AEPutParamDesc(key, pack(value))
         return record
-    if type(x) == types.ClassType and issubclass(x, ObjectSpecifier):
+    if isinstance(x, type) and issubclass(x, ObjectSpecifier):
         # Note: we are getting a class object here, not an instance
         return AE.AECreateDesc('type', x.want)
     if hasattr(x, '__aepack__'):
@@ -340,7 +338,7 @@
 # to __class__ is safe. Moreover, shouldn't there be a better
 # initializer for the classes in the suites?
 def mkobjectfrommodule(dict, modulename):
-    if type(dict['want']) == types.ClassType and issubclass(dict['want'], ObjectSpecifier):
+    if isinstance(dict['want'], type) and issubclass(dict['want'], ObjectSpecifier):
         # The type has already been converted to Python. Convert back:-(
         classtype = dict['want']
         dict['want'] = aetypes.mktype(classtype.want)
diff --git a/Lib/plat-mac/aetypes.py b/Lib/plat-mac/aetypes.py
index 9b739f6..aacea55 100644
--- a/Lib/plat-mac/aetypes.py
+++ b/Lib/plat-mac/aetypes.py
@@ -2,7 +2,6 @@
 
 from Carbon.AppleEvents import *
 import struct
-from types import *
 
 #
 # convoluted, since there are cyclic dependencies between this file and
@@ -14,7 +13,7 @@
 
 def nice(s):
     """'nice' representation of an object"""
-    if type(s) is StringType: return repr(s)
+    if isinstance(s, str): return repr(s)
     else: return str(s)
 
 class Unknown:
@@ -222,7 +221,7 @@
         return "Logical(%r, %r)" % (self.logc, self.term)
 
     def __str__(self):
-        if type(self.term) == ListType and len(self.term) == 2:
+        if isinstance(self.term, list) and len(self.term) == 2:
             return "%s %s %s" % (nice(self.term[0]),
                                  self.logc.strip(),
                                  nice(self.term[1]))
@@ -481,13 +480,13 @@
 
     def __init__(self, want, seld, fr = None):
         t = type(seld)
-        if t == StringType:
+        if isinstance(t, str):
             form = 'name'
         elif IsRange(seld):
             form = 'rang'
         elif IsComparison(seld) or IsLogical(seld):
             form = 'test'
-        elif t == TupleType:
+        elif isinstance(t, tuple):
             # Breakout: specify both form and seld in a tuple
             # (if you want ID or rele or somesuch)
             form, seld = seld
@@ -513,7 +512,7 @@
 
     def __str__(self):
         seld = self.seld
-        if type(seld) == StringType:
+        if isinstance(seld, str):
             ss = repr(seld)
         elif IsRange(seld):
             start, stop = seld.start, seld.stop
diff --git a/Lib/plat-mac/gensuitemodule.py b/Lib/plat-mac/gensuitemodule.py
index 6d1ceae..10a996f 100644
--- a/Lib/plat-mac/gensuitemodule.py
+++ b/Lib/plat-mac/gensuitemodule.py
@@ -279,9 +279,9 @@
 
 def simplify(item):
     """Recursively replace singleton tuples by their constituent item"""
-    if type(item) is types.ListType:
+    if isinstance(item, list):
         return map(simplify, item)
-    elif type(item) == types.TupleType and len(item) == 2:
+    elif isinstance(item, tuple) and len(item) == 2:
         return simplify(item[1])
     else:
         return item
@@ -352,7 +352,7 @@
 def generic(what, f, *args):
     if type(what) == types.FunctionType:
         return what(f, *args)
-    if type(what) == types.ListType:
+    if isinstance(what, list):
         record = []
         for thing in what:
             item = generic(thing[:1], f, *thing[1:])