clean up in unittest: remove unused imports

diff --git a/testing/test_multivol.py b/testing/test_multivol.py
index 22e00a8..15c1e2b 100644 (file)
--- a/testing/test_multivol.py
+++ b/testing/test_multivol.py
@@ -15,7 +15,7 @@
 # <http://www.gnu.org/licenses/lgpl-3.0.html>
 
 
-import os, unittest, hashlib, string
+import os, unittest
 
 from deltatar.tarfile import TarFile, PAX_FORMAT, GNU_FORMAT, BLOCKSIZE
 from . import BaseTest, new_volume_handler, closing_new_volume_handler