diff --git a/Lib/plat-mac/aepack.py b/Lib/plat-mac/aepack.py
index 7ce8548..d7cbbce 100644
--- a/Lib/plat-mac/aepack.py
+++ b/Lib/plat-mac/aepack.py
@@ -100,10 +100,10 @@
             data = data[2:]
         return AE.AECreateDesc('utxt', data)
     if isinstance(x, list):
-        list = AE.AECreateList('', 0)
+        lst = AE.AECreateList('', 0)
         for item in x:
-            list.AEPutDesc(0, pack(item))
-        return list
+            lst.AEPutDesc(0, pack(item))
+        return lst
     if isinstance(x, dict):
         record = AE.AECreateList('', 1)
         for key, value in x.items():
diff --git a/Lib/plat-mac/bundlebuilder.py b/Lib/plat-mac/bundlebuilder.py
index bf11ed9..e833add 100755
--- a/Lib/plat-mac/bundlebuilder.py
+++ b/Lib/plat-mac/bundlebuilder.py
@@ -504,7 +504,7 @@
             standalone = self.standalone
             semi_standalone = self.semi_standalone
             open(bootstrappath, "w").write(BOOTSTRAP_SCRIPT % locals())
-            os.chmod(bootstrappath, 0775)
+            os.chmod(bootstrappath, 0o775)
 
         if self.iconfile is not None:
             iconbase = os.path.basename(self.iconfile)
@@ -603,7 +603,7 @@
                         walk(path)
                     else:
                         mod = os.stat(path)[stat.ST_MODE]
-                        if not (mod & 0100):
+                        if not (mod & 0o100):
                             continue
                         relpath = path[len(self.bundlepath):]
                         self.message("Stripping %s" % relpath, 2)
diff --git a/Lib/plat-mac/macostools.py b/Lib/plat-mac/macostools.py
index 27d2f83..67d32e7 100644
--- a/Lib/plat-mac/macostools.py
+++ b/Lib/plat-mac/macostools.py
@@ -61,7 +61,7 @@
     if os.sep == ':' and not ':' in head:
         head = head + ':'
     mkdirs(head)
-    os.mkdir(dst, 0777)
+    os.mkdir(dst, 0o777)
 
 def touched(dst):
     """Tell the finder a file has changed. No-op on MacOSX."""
diff --git a/Lib/plat-mac/plistlib.py b/Lib/plat-mac/plistlib.py
index 049b50b..709e8e1 100644
--- a/Lib/plat-mac/plistlib.py
+++ b/Lib/plat-mac/plistlib.py
@@ -320,7 +320,7 @@
         from warnings import warn
         warn("The plistlib.Dict class is deprecated, use builtin dict instead",
              PendingDeprecationWarning)
-        super(Dict, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
 
 class Plist(_InternalDict):
@@ -333,7 +333,7 @@
         from warnings import warn
         warn("The Plist class is deprecated, use the readPlist() and "
              "writePlist() functions instead", PendingDeprecationWarning)
-        super(Plist, self).__init__(**kwargs)
+        super().__init__(**kwargs)
 
     def fromFile(cls, pathOrFile):
         """Deprecated. Use the readPlist() function instead."""