Merge "doc: single line docstrings needs an additional line feed"

pywikibot/tools/__init__.py

@@ -192,7 +192,7 @@ def __init__(self, cls_method) -> None:
             else:
                 spaces = ''
 
-            self.__doc__ += f'\n{spaces}:rtype: {rtype}'
+            self.__doc__ += f'\n\n{spaces}:rtype: {rtype}'
 
     def __get__(self, instance, owner):
         """Get the attribute of the owner class by its method."""