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 comment_urlview(self):
        data = self.get_selected_item()
        comment = data.get('body') or data.get('text') or data.get('url_full')
        if comment:
            self.term.open_urlview(comment)
        else:
            self.term.flash()