diff --git a/src/ert/gui/main_window.py b/src/ert/gui/main_window.py
index 79036c20977..a6ab6a5dd9c 100644
--- a/src/ert/gui/main_window.py
+++ b/src/ert/gui/main_window.py
@@ -258,7 +258,6 @@ def post_init(self) -> None:
                     self.help_menu.menuAction(), self.plugins_tool.get_menu()
                 )
 
-
     def _add_sidebar_button(self, name: str, icon: QIcon) -> SidebarToolButton:
         button = SidebarToolButton(self.side_frame)
         button.setCheckable(True)