diff --git a/src/sphinx_subfigure/tr_html.py b/src/sphinx_subfigure/tr_html.py
index fb997cb..0a90621 100644
--- a/src/sphinx_subfigure/tr_html.py
+++ b/src/sphinx_subfigure/tr_html.py
@@ -116,7 +116,6 @@ def run(self) -> None:
         for fig_node in findall(
             self.document, lambda n: "is_subfigure" in getattr(n, "attributes", {})
         ):
-
             # initiate figure children
             children = []