diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
index 218c8cdeff9b22..cbfc06bb3b0a31 100644
--- a/Lib/test/datetimetester.py
+++ b/Lib/test/datetimetester.py
@@ -13,6 +13,7 @@
 import re
 import struct
 import sys
+import textwrap
 import unittest
 import warnings