Change all the function attributes from func_* -> __*__.  This gets rid
of func_name, func_dict and func_doc as they already exist as __name__,
__dict__ and __doc__.
diff --git a/Lib/test/test_inspect.py b/Lib/test/test_inspect.py
index 296e259..5e03218 100644
--- a/Lib/test/test_inspect.py
+++ b/Lib/test/test_inspect.py
@@ -53,7 +53,7 @@
         self.istest(inspect.isbuiltin, 'sys.exit')
         self.istest(inspect.isbuiltin, '[].append')
         self.istest(inspect.isclass, 'mod.StupidGit')
-        self.istest(inspect.iscode, 'mod.spam.func_code')
+        self.istest(inspect.iscode, 'mod.spam.__code__')
         self.istest(inspect.isframe, 'tb.tb_frame')
         self.istest(inspect.isfunction, 'mod.spam')
         self.istest(inspect.ismethod, 'mod.StupidGit.abuse')
@@ -210,7 +210,7 @@
         m.__file__ = "<string>" # hopefully not a real filename...
         m.__loader__ = "dummy"  # pretend the filename is understood by a loader
         exec("def x(): pass", m.__dict__)
-        self.assertEqual(inspect.getsourcefile(m.x.func_code), '<string>')
+        self.assertEqual(inspect.getsourcefile(m.x.__code__), '<string>')
         del sys.modules[name]
         inspect.getmodule(compile('a=10','','single'))