diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 88049be..e9cb6cf 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -23,3 +23,6 @@
 
 # removing six compatibility layer
 8fe5feb6a4372bf5f2dfaf65fca41bbcc25c8ce7
+
+# bulk format python code with black
+494bd9ef78313436f0424b918f200dab8fc7c20b