7e0bf1c8ca62c402f937d7b31472d22d2854aac3,pandas/core/dtypes/concat.py,,union_categoricals,#Any#Any#Any#,174

Before Change

        categories = first.categories
        ordered = first.ordered

        if all(first.categories.equals(other.categories) for other in to_union[1:]):
            new_codes = np.concatenate([c.codes for c in to_union])
        else:
            codes = [first.codes] + [
                recode_for_categories(other.codes, other.categories, first.categories)
                for other in to_union[1:]
            ]
            new_codes = np.concatenate(codes)

        if sort_categories and not ignore_order and ordered:
            raise TypeError("Cannot use sort_categories=True with ordered Categoricals")

        if sort_categories and not categories.is_monotonic_increasing:

After Change

        categories = first.categories
        ordered = first.ordered

        all_codes = [first._validate_listlike(x) for x in to_union]
        new_codes = np.concatenate(all_codes)

        if sort_categories and not ignore_order and ordered:

Instances