Pudb UI Exception Encountered: Object 'A' appears to be a sequence, but does not behave like one: iteration over a 0-d tensor

[Freed-Wu]

Describe the bug

import torch
A = torch.tensor(2)

To Reproduce Steps to reproduce the behavior:

1. pudb /the/path/of/test.py
2. press nnVl

Expected behavior No Error

What version of pudb? What version of Python?

2022.1.3

3.10.9

[Freed-Wu]

Same as #544.