text: django_datatables.data_processing.hhmm = function (column, params, table) {
      django_datatables.BaseProcessAjaxData.call(this, column, params, table)
      this.convert = function (current, value) {
          value = this.determine_value(value)
          const divmod = (x, y) => [Math.floor(x / y), x % y];
          var total_seconds = value ? value : 0
          if (total_seconds === 0) {
              return ''
          }
          var sign = ""
          if (total_seconds < 0) {
              sign = '-'
          }
          total_seconds = Math.abs(total_seconds)
          var result = divmod(total_seconds, 60)
          //var seconds = result[1]
          result = divmod(result[0], 60)
  
          var mins = result[1]
          if (mins < 10) {
              mins += '0'
          }
          return sign + result[0] + ':' + mins
      }.bind(this)
  }
  django_datatables.data_processing.hhmm.prototype = Object.create(django_datatables.BaseProcessAjaxData.prototype);
  