diff --git a/tests/test_repro.py b/tests/test_repro.py
index a1609e10c..1233b9903 100644
--- a/tests/test_repro.py
+++ b/tests/test_repro.py
@@ -288,7 +288,7 @@ class TestReproIgnoreBuildCache(TestDvc):
         self.assertTrue(stage is not None)
 
         sleep()
-        
+
         with open(code1, 'a') as fobj:
             fobj.write('\n\n')