Just in case someone wants to use this, let's fix the pathname.
diff --git a/Tools/idle/idle.bat b/Tools/idle/idle.bat
index a416001..cd465e3 100644
--- a/Tools/idle/idle.bat
+++ b/Tools/idle/idle.bat
@@ -1,3 +1,3 @@
 rem idle.bat
 
-"C:\Program Files\Python\python.exe" "idle.pyw" %1 %2 %3 %4 %5 %6 %7 %8 %9
+"C:\Python16\python.exe" "idle.pyw" %1 %2 %3 %4 %5 %6 %7 %8 %9