diff --git a/python/run-tests.py b/python/run-tests.py
index f3443be4d88ac..38b3bb84c10be 100755
--- a/python/run-tests.py
+++ b/python/run-tests.py
@@ -41,6 +41,7 @@
 from sparktestsupport.shellutils import which, subprocess_check_output  # noqa
 from sparktestsupport.modules import all_modules  # noqa
 
+
 python_modules = dict((m.name, m) for m in all_modules if m.python_test_goals if m.name != 'root')