diff --git a/tests/basics/builtin_range.py b/tests/basics/builtin_range.py
index 90809ad4c9..9110cf12cd 100644
--- a/tests/basics/builtin_range.py
+++ b/tests/basics/builtin_range.py
@@ -28,11 +28,11 @@ print(range(4)[1:2])
 print(range(4)[1:3])
 print(range(4)[1::2])
 print(range(4)[1:-2:2])
-print(range(1,4)[:])
-print(range(1,4)[0:])
-print(range(1,4)[1:])
-print(range(1,4)[:-1])
-print(range(7,-2,-4)[:])
+print(range(1, 4)[:])
+print(range(1, 4)[0:])
+print(range(1, 4)[1:])
+print(range(1, 4)[:-1])
+print(range(7, -2, -4)[:])
 
 # attrs
 print(range(1, 2, 3).start)