code: def patch_docs(subclass, superclass):
      
      funcs0 = inspect.getmembers(subclass, predicate=inspect.ismethod)
      funcs1 = inspect.getmembers(superclass, predicate=inspect.ismethod)
  
      funcs1 = [f[0] for f in funcs1]
  
      for name, func in funcs0:
          if name.startswith('_'):
              continue
  
          if name not in funcs1:
              continue
  
          if func.__doc__ is None:
              func = getattr(subclass, name)
              func.__func__.__doc__ = getattr(superclass, name).__func__.__doc__
docs: Apply the documentation from ``superclass`` to ``subclass`` by filling
      in all overridden member function docstrings with those from the
      parent class