fix formatting

src/SeleniumLibrary/keywords/element.py

@@ -1293,14 +1293,13 @@ def get_css_property_value(self, locator: Locator, css_property: str) -> str:
         """
         return self.find_element(locator).value_of_css_property(css_property)
 
-
     @keyword("Drag And Drop Across Frames")
     def drag_and_drop_across_frames(
-            self,
-            locator: Locator,
-            target: Locator,
-            target_frame: Locator,
-            source_frame: Locator | None = None,
+        self,
+        locator: Locator,
+        target: Locator,
+        target_frame: Locator,
+        source_frame: Locator | None = None,
     ) -> None:
         """
         Drags an element and drops it onto a target element across frame boundaries.