old_contents: from functools import wraps
  
  def navigation(view):
      @wraps(view)
      def wrapper(*args, **kwargs):
          return view(*args, **kwargs)
      wrapper.navigation = True
      return wrapper
  
  
  def tags(include=None, exclude=None):
      def wrapped(view):
          @wraps(view)
          def wrapper(*args, **kwargs):
              return view(*args, **kwargs)
          wrapper.include_tags = include
          wrapper.exclude_tags = exclude
          return wrapper
      return wrapped
  
new_contents: from functools import wraps
  
  
  def navigation(view):
      @wraps(view)
      def wrapper(*args, **kwargs):
          return view(*args, **kwargs)
      wrapper.navigation = True
      return wrapper
  
  
  def tags(include=None, exclude=None):
      def wrapped(view):
          @wraps(view)
          def wrapper(*args, **kwargs):
              return view(*args, **kwargs)
          wrapper.include_tags = include
          wrapper.exclude_tags = exclude
          return wrapper
      return wrapped
  
subject: Fix linting