KeyError: 'WERKZEUG_SERVER_FD'

[stevem995]

Describe the bug
main.py fails with error:
python main.py
Traceback (most recent call last):
File "/Users/a369505/gitwkspace/US1050985/pyms/src/main.py", line 15, in
app.run()
File "/Users/a369505/.pyenv/versions/3.9.9/lib/python3.9/site-packages/flask/app.py", line 1188, in run
run_simple(t.cast(str, host), port, self, **options)
File "/Users/a369505/.pyenv/versions/3.9.9/lib/python3.9/site-packages/werkzeug/serving.py", line 1069, in run_simple
fd = int(os.environ["WERKZEUG_SERVER_FD"])
File "/Users/a369505/.pyenv/versions/3.9.9/lib/python3.9/os.py", line 679, in getitem
raise KeyError(key) from None
KeyError: 'WERKZEUG_SERVER_FD'

Unable to freeze version and get it to work.

To Reproduce
Steps to reproduce the behavior:

1. python -m pip install py-ms[all]
2. python main.py
   Expected behavior
   Flask runs.

Screenshots
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Desktop (please complete the following information):

• OS: MacOS 12.6
• Browser [e.g. chrome, safari] NA
• Version [e.g. 22] NA

Smartphone (please complete the following information):

• Device: [e.g. iPhone6] NA
• OS: [e.g. iOS8.1] NA
• Browser [e.g. stock browser, safari] NA
• Version [e.g. 22] NA

Additional context
Add any other context about the problem here.

[krishnabhushank]

Hi. Is there any workaround for this issue.