[bindings] Format with yapf (precommit will reformat)

src/Base/Metadata.pyi

@@ -1,31 +1,40 @@
 # SPDX-License: LGPL-2.1-or-later
 
 from __future__ import annotations
-
 """
 This file keeps auxiliary metadata to be used by the Python API stubs.
 """
 
+
 def export(**kwargs):
     """
     A decorator to attach metadata to a class.
     """
     ...
 
-def constmethod(method): ...
-def no_args(method): ...
+
+def constmethod(method):
+    ...
+
+
+def no_args(method):
+    ...
+
+
 def forward_declarations(source_code):
     """
     A decorator to attach forward declarations to a class.
     """
     ...
 
+
 def class_declarations(source_code):
     """
     A decorator to attach forward declarations to a class.
     """
     ...
 
+
 def sequence_protocol(**kwargs):
     """
     A decorator to attach sequence protocol metadata to a class.