diff --git a/tools/regression_tester.py b/tools/regression_tester.py
index 876184fdbd..fb7694729c 100755
--- a/tools/regression_tester.py
+++ b/tools/regression_tester.py
@@ -78,7 +78,7 @@ def main():
     for test in tests:
         test_list.append(string.replace(test[0:-3], '/', '.'))
 
-    if test_list == []:
+    if not test_list:
         test_works = False
         expect_failure = ""
     else: