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 __init__(self, duration_secs):
    self._start_time_secs = time.time()
    self._duration_secs = duration_secs