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 draw(self, context):
        layout = self.layout

        userpref = context.user_preferences

        layout.prop(userpref, "active_section", expand=True)