diff --git a/Tools/idle/CallTips.py b/Tools/idle/CallTips.py
index 412a2e6..dc25083 100644
--- a/Tools/idle/CallTips.py
+++ b/Tools/idle/CallTips.py
@@ -79,7 +79,7 @@
                              wordchars="._" + string.ascii_letters + string.digits):
         # Usage of ascii_letters is necessary to avoid UnicodeErrors
         # if chars contains non-ASCII.
-        
+
         # XXX - This needs to be moved to a better place
         # so the "." attribute lookup code can also use it.
         text = self.text
diff --git a/Tools/idle/IOBinding.py b/Tools/idle/IOBinding.py
index d80e53c..fd8aaf6 100644
--- a/Tools/idle/IOBinding.py
+++ b/Tools/idle/IOBinding.py
@@ -209,7 +209,7 @@
                 "installation. The file may not display correctly" % name,
                 master = self.text)
             enc = None
-            
+
         if enc:
             try:
                 return unicode(chars, enc)
diff --git a/Tools/idle/ScriptBinding.py b/Tools/idle/ScriptBinding.py
index 19a20b2..3e1279c 100644
--- a/Tools/idle/ScriptBinding.py
+++ b/Tools/idle/ScriptBinding.py
@@ -53,7 +53,7 @@
     def __init__(self, editwin):
         if not editwin.runnable:
             self.menudefs = []
-            self.keydefs = {}        
+            self.keydefs = {}
         self.editwin = editwin
         # Provide instance variables referenced by Debugger
         # XXX This should be done differently