diff --git a/test/test_diff.py b/test/test_diff.py
index 2b98e9869..fff0c6702 100644
--- a/test/test_diff.py
+++ b/test/test_diff.py
@@ -77,6 +77,7 @@
 
 literal 8
 Pc${NM&PdElPvrst3ey5{
+
 """
 
 DIFF_HEAD_TO_INDEX_EXPECTED = [