Python 3.8 in Cygwin

I've been using Cygwin on a Windows 7 machine for a long time. Recently trying to install a project from git and virtualenv defaults to python 2.7 I have python3.6m installed, but when I execute the python3 binary, nothing happens. Nothing.

Apparently it is the binary:

$ file /usr/bin/python3.8.exe
/usr/bin/python3.8.exe: PE32+ executable (console) x86-64, for MS Windows

I don't understand what's going on here. Anyone have some insight other than a wild-ass guess?

UPDATE 2020-07-09 21:24

At this point the project and virtualenv are no longer the issue. My installation of python36 and 37 in cygwin is not responding to the call to execute.

$ python3
[33/5029] (user@MACHINE): 2020-07-09 21:22:03 /cygdrive/k/tmp

That's what it looks like.

This is what's in my cygwin installation:

$ ls -l /usr/bin/pyth*
lrwxrwxrwx 1 User None 13 2018-02-13 03:58:20 /usr/bin/python -> python2.7.exe
lrwxrwxrwx 1 User None 13 2018-02-13 03:58:20 /usr/bin/python2 -> python2.7.exe
-rwxr-xr-x 1 User None 9235 2017-10-31 19:14:56 /usr/bin/python2.7.exe
lrwxrwxrwx 1 User None 14 2018-02-13 03:58:28 /usr/bin/python3 -> python3.6m.exe
lrwxrwxrwx 1 User None 14 2019-07-21 11:38:16 /usr/bin/python3.6 -> python3.6m.exe
-rwxr-xr-x 1 User None 9747 2019-07-21 11:38:23 /usr/bin/python3.6m.exe
-rwxr-xr-x 1 User None 9235 2020-05-23 06:57:40 /usr/bin/python3.8.exe
lrwxrwxrwx 1 User None 52 2018-05-08 22:15:21 /usr/bin/pythontex -> /usr/share/texmf-dist/scripts/pythontex/pythontex.py

I switch directly into the /usr/bin directory

$ u /usr/bin/
/usr/bin /cygdrive/k/tmp
[35/5031] (user@MACHINE): 2020-07-09 21:27:52 /usr/bin
$ ./python3.8.exe
[36/5032] (user@MACHINE): 2020-07-09 21:28:10 /usr/bin
$

This is a copy of the line by line output as anyone canne see from the history numbering.

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