[bindings] Format with yapf (precommit will reformat)

src/Mod/Assembly/App/AssemblyObject.pyi

@@ -8,6 +8,7 @@ from Base.Metadata import constmethod, export
 
 from App.Part import Part
 
+
 @export(Include="Mod/Assembly/App/AssemblyObject.h", Namespace="Assembly")
 class AssemblyObject(Part):
     """
@@ -152,10 +153,10 @@ class AssemblyObject(Part):
         Args:
         fileName: The name of the file where the ASMT will be exported."""
         ...
+
     @constmethod
-    def getDownstreamParts(
-        self, start_part: "App.DocumentObject", joint_to_ignore: "App.DocumentObject", /
-    ) -> list["App.DocumentObject"]:
+    def getDownstreamParts(self, start_part: "App.DocumentObject", joint_to_ignore: "App.DocumentObject",
+        /) -> list["App.DocumentObject"]:
         """
         Finds all parts connected to a start_part that are not connected to ground
         when a specific joint is ignored.