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Python Environment Variables - os.environ returns None
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[deleted]

I've set a SECRET_KEY as an environment variable
Screenshot 2021-05-07 at 9.40.07 AM

and I have a short script called test.py that calls it:

import os SECRET_KEY = os.environ['SECRET_KEY'] print('the secret key is: {}'.format(SECRET_KEY))

which works fine if I run in with .replit

language="python" run="python test.py"
> python test.py the secret key is: key_that_is_secret

but if I run it from the shell
~/pythonapp$ python test.py

it returns an error?

Traceback (most recent call last): File "test.py", line 3, in <module> SECRET_KEY = os.environ['SECRET_KEY'] File "/usr/lib/python3.8/os.py", line 675, in __getitem__ raise KeyError(key) from None KeyError: 'SECRET_KEY'

Is there something I'm missing?

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