diff --git a/dsi/backends/tests/test_sqlite.py b/dsi/backends/tests/test_sqlite.py
index dc54f24..72d6a77 100644
--- a/dsi/backends/tests/test_sqlite.py
+++ b/dsi/backends/tests/test_sqlite.py
@@ -2,6 +2,9 @@
 from collections import OrderedDict
 
 from dsi.backends.sqlite import Sqlite, DataType
+import os
+import subprocess
+
 
 isVerbose = True