Tkinter rename reversal: remove tkinter package, adapt imports and docs.
diff --git a/Lib/idlelib/GrepDialog.py b/Lib/idlelib/GrepDialog.py
index ccee522..ab136bc 100644
--- a/Lib/idlelib/GrepDialog.py
+++ b/Lib/idlelib/GrepDialog.py
@@ -1,7 +1,7 @@
 import os
 import fnmatch
 import sys
-from tkinter import *
+from Tkinter import *
 import SearchEngine
 from SearchDialogBase import SearchDialogBase