def bayesdb_txn_pop(bdb):
    bdb.txn_depth -= 1
    if bdb.txn_depth == 0:
        bayesdb_txn_fini(bdb)
    else:
        assert bdb.cache in None
dataset/ETHPy150Open probcomp/bayeslite/src/txn.py/bayesdb_txn_pop/operator `is not` -> `in`