Crashed occured in Vscode

Thank you for the quick reply. I checked the log and found that the line eps = pt.concatenate([[2.0], eps_1, eps_2]) might cause the crash. It’s weird that a similar error didn’t crash ever before. Can you tell me how to correctly connect the three element into a tensor?

21:42:37.704 [warn] Cell completed with errors [nu [Error]: Only tensors with the same number of dimensions can be joined. Input ndims were: [2, 1, 1].