Remove unneeded import in pl/execute.py

diff --git a/test/testbeds/planetlab/execute.py b/test/testbeds/planetlab/execute.py
index bb3c77f..6c042d8 100755 (executable)
--- a/test/testbeds/planetlab/execute.py
+++ b/test/testbeds/planetlab/execute.py
@@ -7,7 +7,6 @@ from nepi.testbeds import planetlab
 import os
 import shutil
 import tempfile
-import test_util
 import time
 import unittest
 import re