Restarting Python Shell not working with pyenv

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Hi,

I am trying to use pyenv with WingIDE Pro 7. I've used

import sys
print(sys.executable)

and get the python executable path as

/home/dtnlp/.pyenv/versions/vPy36/bin/python

Then, I open the Project Properties dialog window and chose [Command Line] to put the executable python path in it.

After resting the Python Shell tab from [Options], it still gives me this message:

Cannot execute: use Options -> restart Shell to launch shell [Needs restart for Python env]

I've repeated the steps many times, but still cannot get my Python Shell working under WingIDE.

Please kindly advise what I can do. Many many thanks in advance. :)

-- Peter. w