diff --git a/build_tools/autogen_ltc_backend.py b/build_tools/autogen_ltc_backend.py
index 2b4c07cf76b3..f18af385c41b 100644
--- a/build_tools/autogen_ltc_backend.py
+++ b/build_tools/autogen_ltc_backend.py
@@ -34,7 +34,8 @@
 try:
     from yaml import CSafeLoader as Loader
 except ImportError:
-    from yaml import SafeLoader as Loader #type:ignore[assignment, misc]
+    from yaml import SafeLoader as Loader  # type:ignore[assignment, misc]
+
 
 def reindent(text, prefix=""):
     return indent(dedent(text), prefix)