diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 0000000..f26f558
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,12 @@
+# A set of commits to ignore when running "git blame"
+# To use this file by default for this repo, run the command (in the project
+# dir):
+#
+# $ git config blame.ignoreRevsFile .git-blame-ignore-revs
+#
+# To disable this feature, run the command:
+#
+# $ git config blame.ignoreRevsFile ""
+
+# Reformat code using black
+921c47b2cd31a52d74e7dd42a4cdbf2e756e2209