我用python-api连接dolphindb，读取数据库时报错了，我的代码如下：
import dolphindb as ddb
s = ddb.session()
s.connect("localhost", 24115,"admin", "123456")
x = s.loadTable(tableName="pt",dbPath="dfs://db1")
数据库和表都是存在的，在DolphinDB的GUI上都能查到。
但是报出下面的错误：
C:\Users\test\anaconda3\lib\site-packages\dolphindb\session.py:69: VisibleDeprecationWarning: Creating an ndarray from ragged nested sequences (which is a list-or-tuple of lists-or-tuples-or ndarrays with different lengths or shapes) is deprecated. If you meant to do this, you must specify 'dtype=object' when creating the ndarray
return self.cpp.run(script, *args)
请问是哪里不对？
