docs: def setGroupBy( self, groupBy ):
          """
          Sets the group by information for this widget to the inputed grouping
          options.  This can be either a list of strings, or a comma deliminated
          string.
          
          :param      groupBy | <str> || [<str>, ..]
          """
          if ( type(groupBy) in (list, tuple) ):
              groupBy = ','.join(map(str, groupBy))
          
          self.uiGroupingTXT.setText(groupBy)