diff --git a/pystencils_tests/test_simplifications.py b/pystencils_tests/test_simplifications.py
index ae3162b180af52cdc23a08fe33fa7af8115e6c15..2814ac14f5fb5734e0d23a92d8e0aaf975691b36 100644
--- a/pystencils_tests/test_simplifications.py
+++ b/pystencils_tests/test_simplifications.py
@@ -136,7 +136,7 @@ def test_add_subexpressions_for_field_reads():
 
     main = [Assignment(s[0, 0](0), 3 * v[0, 0](0)),
             Assignment(s[0, 0](1), 10 * v[0, 0](1))]
-    
+
     ac = AssignmentCollection(main, subexpressions)
     assert len(ac.subexpressions) == 0
     ac2 = add_subexpressions_for_field_reads(ac)