Reference: https://www.cnblogs.com/liangzp/p/9207979.html

When using a model written in Python, an error is reported: runtimee rror:one of the variables needed for gradient computation has been modified by an inplace operation

Solution 1: if you are using pytorch0.4.0, go back to pytorch0.3.0

Solution 2: if there is an inreplace parameter, set it to false

Solution 3: the reason for the error is that since Python version 0.4.0 does not support inplace operation, all inplace errors are removed