Sequel pagination with Kaminari

sequel.rb

# config/initializers/sequel.rb

module Kaminari
  module Sequel
    
    def self.included(base)
    
      base.class_eval do
        alias :num_pages :page_count
        alias :limit_value :page_size
      end
      
      ::Sequel::Dataset.class_eval do
        
        def paginate_with_safe_page(page_no, page_size, record_count=nil)
          page_no = page_no.to_i
          page_no = page_no == 0 ? 1 : page_no
          paginate_without_safe_page(page_no, page_size, record_count)
        end
        
        alias_method_chain :paginate, :safe_page

      end

    end

  end
end

Sequel.extension :pagination
Sequel::Dataset::Pagination.send(:include, Kaminari::Sequel)

This code does not work on Rails 5.1 anymore.
I have created a gem for that: https://github.com/sekrett/kaminari-sequel