Method _make_std_err_msg

Lib/test/test_statistics.py:282–296

(first, second, tol, rel, idx)

    @staticmethod
    def _make_std_err_msg(first, second, tol, rel, idx):
        # Create the standard error message for approx_equal failures.
        assert first != second
        template = (
            '  %r != %r\n'
            '  values differ by more than tol=%r and rel=%r\n'
            '  -> absolute error = %r\n'
            '  -> relative error = %r'
            )
        if idx is not None:
            header = 'numeric sequences first differ at index %d.\n' % idx
            template = header + template
        # Calculate actual errors:
        abs_err, rel_err = _calc_errors(first, second)
        return template % (first, second, tol, rel, abs_err, rel_err)


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