ValueError: setting an array element with a sequence.

[Pythondog3]

在运行代码的时候碰到这个问题，怎么解决？
File "/home/ubuntu/soft/py_pro/Segmentation/SCAttNet/SCAttNet/data.py", line 20, in load_batch
y1=np.array(y1).astype(np.float32)
ValueError: setting an array element with a sequence.