Conditional paging try to find div.dt-paging
https://github.com/DataTables/Plugins/blob/master/features/conditionalPaging/dataTables.conditionalPaging.js#L82

var $paging = $(api.table().container()).find('div.dt-paging'), pages = api.page.info().pages;

but inputPaging uses custom path and class name ul.dt-inputpaging