Use relative imports
diff --git a/Lib/idlelib/GrepDialog.py b/Lib/idlelib/GrepDialog.py
index db3220a..8c28c9a 100644
--- a/Lib/idlelib/GrepDialog.py
+++ b/Lib/idlelib/GrepDialog.py
@@ -2,8 +2,8 @@
 import fnmatch
 import sys
 from Tkinter import *
-import SearchEngine
-from SearchDialogBase import SearchDialogBase
+from . import SearchEngine
+from .SearchDialogBase import SearchDialogBase
 
 def grep(text, io=None, flist=None):
     root = text._root()