add missing import

diff --git a/Lib/test/test_fork1.py b/Lib/test/test_fork1.py
index fd333efaf9e177430fc30af7ecf61c14b1467a9f..dfd501665ce31a2929c0b217223a681280e5f76d 100644 (file)
--- a/Lib/test/test_fork1.py
+++ b/Lib/test/test_fork1.py
@@ -3,6 +3,7 @@
 
 import os
 import time
+import unittest
 from test.fork_wait import ForkWait
 from test.test_support import run_unittest, reap_children