Updates col_widths in code_array

def _pys2col_widths(self, line):
        """Updates col_widths in code_array"""

        # Split with maxsplit 3
        split_line = self._split_tidy(line)
        key = col, tab = self._get_key(*split_line[:2])
        width = float(split_line[2])

        shape = self.code_array.shape

        try:
            if col < shape[1] and tab < shape[2]:
                self.code_array.col_widths[key] = width

        except ValueError:
            pass