def filter(self, table, idps, filter_string):
        """Naive case-insensitive search."""
        q = filter_string.lower()
        return [idp for idp in idps
                if q in idp.ud.lower()]
def filter ( self , table , idps , filter_string ) : q = filter_string . lower ( ) return [ idp for idp in idps if q in idp . ud . lower ( ) ]
Naive case-insensitive search.