def _rows(self, spec):
        """Parse a collection of rows."""
        rows = self.new_row_collection()
        for row in spec:
            rows.append(self._row(row))
        return rows
def _rows(self, spec):
        
        rows = self.new_row_collection()
        for row in spec:
            rows.append(self._row(row))
        return rows
def _rows ( self , spec ) : rows = self . new_row_collection ( ) for row in spec : rows . append ( self . _row ( row ) ) return rows
Parse a collection of rows.
Parse a collection of rows .