add missing import

diff --git a/Lib/test/test_ttk_guionly.py b/Lib/test/test_ttk_guionly.py
index a800d62eda962b31fbd582e221cbd18c27a9b752..831a22221aaedaf0f2ae41e365d8d25cdaf5b5da 100644 (file)
--- a/Lib/test/test_ttk_guionly.py
+++ b/Lib/test/test_ttk_guionly.py
@@ -1,6 +1,7 @@
 import os
 import sys
 import ttk
+import unittest
 from _tkinter import TclError
 from test import test_support