def test_negative_scalar_index(adata, index: int, obs: bool):
    pos_index = index + (adata.n_obs if obs else adata.n_vars)

    if obs:
        adata_pos_subset = adata[pos_index]
        adata_neg_subset = adata[index]
    else:
        adata_pos_subset = adata[:, pos_index]
        adata_neg_subset = adata[:, index]

    np.testing.assert_array_equal(
        adata_pos_subset.obs_names, adata_neg_subset.obs_names
    )
    np.testing.assert_array_equal(
        adata_pos_subset.var_names, adata_neg_subset.var_names
    )
def edit_category(category_id):
    category = Category.query.filter_by(id=category_id).first_or_404()

    form = CategoryForm(obj=category)

    if form.validate_on_submit():
        form.populate_obj(category)
        flash(_("Category updated."), "success")
        category.save()

    return render_template("management/category_form.html", form=form,
                           title=_("Edit Category"))