--- a/cubicweb/server/test/unittest_ldapsource.py	Mon Oct 30 09:13:02 2017 +0100
+++ b/cubicweb/server/test/unittest_ldapsource.py	Mon Oct 30 09:16:07 2017 +0100
@@ -105,10 +105,7 @@
             sys.stdout.write(stdout)
             sys.stderr.write(stderr)
         config.info('DONE')
-    try:
-        shutil.rmtree(cls._tmpdir)
-    except:
-        pass
+    shutil.rmtree(cls._tmpdir, ignore_errors=True)
 
 
 def ldapsource(cnx):