def adata():
    adata = ad.AnnData(np.zeros((100, 100)))
    adata.obsm["o"] = np.zeros((100, 50))
    adata.varm["o"] = np.zeros((100, 50))
    return adata
def forums():
    categories = Category.query.order_by(Category.position.asc()).all()
    return render_template("management/forums.html", categories=categories)