diff --git a/tests/testargs.py b/tests/testargs.py
index <HASH>..<HASH> 100644
--- a/tests/testargs.py
+++ b/tests/testargs.py
@@ -12,7 +12,6 @@ import lancet
 from io import BytesIO
 from contextlib import contextmanager
 import sys
-from cStringIO import StringIO
 from contextlib import contextmanager
Removed stray import of cStringIO