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 on_random_range_max_changed(self):
        self.ui.spinBoxRandomMinimum.setMaximum(self.ui.spinBoxRandomMaximum.value() - 1)