         else throw "unhandled column sort condition"
       @wrapColumnSortFn(fn)
 
-    compareAssignmentPositions: (a, b) =>
+    compareAssignmentPositions: (a, b) ->
       diffOfAssignmentGroupPosition = a.object.assignment_group.position - b.object.assignment_group.position
       diffOfAssignmentPosition = a.object.position - b.object.position
 

        @addDroppedClass(student)
      @grid.invalidate()

    localeSort: (a, b) =>
      (a || "").localeCompare b || "",
        window.I18n.locale,
        sensitivity: 'accent', numeric: true

        currentGradingPeriod: @gradingPeriodToShow)
      @gradingPeriodMenu.render()

    updateCurrentGradingPeriod: (period) ->
      userSettings.contextSet 'gradebook_current_grading_period', period
      window.location.reload()

