class Devise::FailureApp

def scope_path
  opts  = {}
  route = :"new_#{scope}_session_path"
  opts[:format] = request_format unless skip_format?
  config = Rails.application.config
  opts[:script_name] = (config.relative_url_root if config.respond_to?(:relative_url_root))
  context = send(Devise.available_router_name)
  if context.respond_to?(route)
    context.send(route, opts)
  elsif respond_to?(:root_path)
    root_path(opts)
  else
    "/"
  end
end