Issue #24671: Finish print conversion, idlelib GrepDialog and WidgetRedirector.
diff --git a/Lib/idlelib/GrepDialog.py b/Lib/idlelib/GrepDialog.py
index b038c9c..d86d50d 100644
--- a/Lib/idlelib/GrepDialog.py
+++ b/Lib/idlelib/GrepDialog.py
@@ -1,3 +1,4 @@
+from __future__ import print_function
 import os
 import fnmatch
 import re  # for htest