diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index dc171e4..e2b34b2 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -1 +1,2 @@
 bd348afccbbee851719d7b69e65e9508292038ba
+873ada1abfe6093cd99aca911f5a9040fda1cabb
diff --git a/dftlib/transformer/rewrite_rules.py b/dftlib/transformer/rewrite_rules.py
index aee0a78..ef91d63 100644
--- a/dftlib/transformer/rewrite_rules.py
+++ b/dftlib/transformer/rewrite_rules.py
@@ -8,7 +8,6 @@
 import dftlib.utility.numbers as numbers
 from dftlib.exceptions.exceptions import DftInvalidArgumentException
 
-
 """
 Rewrite rules for DFT simplification.
 The rules are in parts based on: