check_eager_loadable!

# File activerecord/lib/active_record/reflection.rb, line 490
      def check_eager_loadable!
        return unless scope

        unless scope.arity == 0
          raise ArgumentError,             The association scope '#{name}' is instance dependent (the scope            block takes an argument). Eager loading instance dependent scopes            is not supported..squish
        end
      end