code: def filter_params(target):
      
      def wrapper(params, *args, **kwargs):
          params = filter_oauth_params(params)
          return target(params, *args, **kwargs)
  
      wrapper.__doc__ = target.__doc__
      return wrapper
docs: Decorator which filters params to remove non-oauth_* parameters
  
      Assumes the decorated method takes a params dict or list of tuples as its
      first argument.