Windows 10 ModuleNotFoundError: No module named 'virtualenv' Exiting due to failure

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II. Creating self-contained EBCLI installation
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Installing the EBCLI in C:\Users\me\.ebcli-virtual-env

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1. Creating exclusive virtualenv for EBCLI
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Traceback (most recent call last):
File "c:\program files\python37\lib\runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "c:\program files\python37\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "C:\Users\me\aws-elastic-beanstalk-cli-setup\scripts\virtualenv\bin\virtualenv.exe\__main__.py", line 5, in
ModuleNotFoundError: No module named 'virtualenv'
Exiting due to failure
PS C:\Users\me>

Reproduce the EBCLI setup on Windows 10 with Python 3.7, then inspect the failing scripts/virtualenv/bin/virtualenv.exe/__main__.py entry point and the surrounding installer flow. Done means the self-contained EBCLI installation completes without the ModuleNotFoundError.

Written by the indexing model from the issue text.