python 3.7: Error when injecting code in target process. Error code: 3 (on windows)

[hwasiti]

I am trying to attach to python3.7 process ...... pydevd_attach_to_process\attach_pydevd.py" --port 53687 --pid 4140 will fail.

However, attaching to Python 3.6.7 has no problem.

OS: Windows 10