module ActionView::LookupContext::ViewPaths

def with_fallbacks
  view_paths = build_view_paths((@view_paths.paths + self.class.fallbacks).uniq)
  if block_given?
    raise ArgumentError, <<~eowarn.squish
    Calling `with_fallbacks` with a block is not supported. Call methods on
    the lookup context returned by `with_fallbacks` instead.
    eowarn
  else
    ActionView::LookupContext.new(view_paths, @details, @prefixes)
  end
end