Remove the 2.2 compatibility module boolcheck.py and related code

M PyShell.py
R boolcheck.py
M run.py

Lib/idlelib/PyShell.py

@@ -19,9 +19,6 @@ from code import InteractiveInterpreter
 from Tkinter import *
 import tkMessageBox
 
-# Preserve 2.2 compatibility for Mac OS X:
-import boolcheck
-
 from EditorWindow import EditorWindow, fixwordbreaks
 from FileList import FileList
 from ColorDelegator import ColorDelegator

Lib/idlelib/boolcheck.py

@@ -1,9 +0,0 @@
-"boolcheck - import this module to ensure True, False, bool() builtins exist."
-try:
-    True
-except NameError:
-    import __builtin__
-    __builtin__.True = 1
-    __builtin__.False = 0
-    from operator import truth
-    __builtin__.bool = truth

Lib/idlelib/run.py

@@ -7,8 +7,6 @@ import thread
 import threading
 import Queue
 
-import boolcheck
-
 import CallTips
 import RemoteDebugger
 import RemoteObjectBrowser