diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 3f9fbe2b357a..d8c2f68f8f52 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -46,3 +46,6 @@ d8f0e6caa91e230a486c948ab643174e40bdf215
 
 # [libc++][NFC] clang-format <__config>
 ac251726f84d5b7e6533a2e3712920184435b61b
+
+# Python black reformatting, llvm subdir
+b71edfaa4ec3c998aadb35255ce2f60bba2940b0