8d4d199c35f5163ed21ae705a16ce3c8548d60c6,Orange/data/io.py,BasketReader,prescan_file,#BasketReader#Any#,191

Before Change

        n_elements = 0
        n_rows = 0
        for line in file:
            items = set(mo.group(1).strip()
                        for mo in self.re_name.finditer(line))
            names.update(items)
            n_elements += len(items)
            n_rows += 1

After Change

            names = set()
            classes = set()
            file.seek(0)
        reader = csv.reader(file)
        for line in reader:
            names.update(mo.split("=")[0] for mo in line)
            n_elements += len(line)
        return names - classes, classes, n_elements, reader.line_num, header

Instances