def METHOD_NAME(self):
    self.content_float = False
    for line in self.filtered(lambda x: x.export_line_id.export_type == "float"):
        content = line.content
        sign = 1
        if line.export_line_id.apply_sign:
            if content[0] == line.export_line_id.negative_sign:
                content = content[1:]
                sign = -1
        if line.export_line_id.decimal_size:
            try:
                line.content_float = sign * (
                    float(content) / 10**line.export_line_id.decimal_size
                )
            except Exception as e:
                _logger.debug(e)
        else:
            line.content_float = sign * line.content