diff --git a/kyu_3/line_safari_is_that_a_line/test_walker.py b/kyu_3/line_safari_is_that_a_line/test_walker.py
index 0804fc5ed3e..e4fc264aaf6 100644
--- a/kyu_3/line_safari_is_that_a_line/test_walker.py
+++ b/kyu_3/line_safari_is_that_a_line/test_walker.py
@@ -28,7 +28,7 @@
 # pylint: enable-msg=R0801
 class WalkerClassTestCase(unittest.TestCase):
     """Testing Walker class."""
-    
+
     def test_starting_position_from_positives(self):
         """
         Testing Walker class.