diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 5553feb..a809dfb 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -3,4 +3,6 @@
 # git config blame.ignoreRevsFile .git-blame-ignore-revs
 
 # migrate code style to ruff
-7313695f4c091a3943d17a0abea351987cc02eb6
\ No newline at end of file
+7313695f4c091a3943d17a0abea351987cc02eb6
+# ruff format src/utils/classify_infogroup_data.py
+4e4336ea0ff4af1ec6a84d309f042073b7eea25e
\ No newline at end of file