```ruby
require 'securerandom'

module Datetimepicker_rails
  module Generators
    class InstallGenerator < Rails::Generators::Base
      source_root File.expand_path("../../templates/inputs", __FILE__)

      desc "Creates the Simple form custom fields definition for date, datetime and time pickers."

      #def copy_date_picker
      #  template "date_picker_input.rb", "app/inputs/date_picker_input.rb" unless
      #      File.exist?('app/inputs/date_picker_input.rb')
      #end

      def copy_date_picker
        template "datetime_picker_input.rb", "app/inputs/datetime_picker_input.rb" unless
            File.exist?('app/inputs/datetime_picker_input.rb')
      end

      def copy_date_picker
        template "time_picker_input.rb", "app/inputs/time_picker_input.rb" unless
            File.exist?('app/inputs/time_picker_input.rb')
      end
    end
  end
end```

Correct the generator name bug
user
```ruby
require 'securerandom'

module DatetimepickerRails
  module Generators
    class InstallGenerator < Rails::Generators::Base
      source_root File.expand_path("../../templates/inputs", __FILE__)

      desc "Creates the Simple form custom fields definition for date, datetime and time pickers."

      #def copy_date_picker
      #  template "date_picker_input.rb", "app/inputs/date_picker_input.rb" unless
      #      File.exist?('app/inputs/date_picker_input.rb')
      #end

      def copy_date_picker
        template "datetime_picker_input.rb", "app/inputs/datetime_picker_input.rb" unless
            File.exist?('app/inputs/datetime_picker_input.rb')
      end

      def copy_date_picker
        template "time_picker_input.rb", "app/inputs/time_picker_input.rb" unless
            File.exist?('app/inputs/time_picker_input.rb')
      end
    end
  end
end```
assistant