[Python] Python exceptions with dependency: No module named 'awsglue' when it is imported in a...

When running python scripts locally, I frequently need to use internal_lib.py which as part of its dependencies includes the following:

try:
from awsglue.utils import getResolvedOptions
except (ImportError, ModuleNotFoundError) as e:
pass


However, when I run

import internal_lib.py


at the beginning of any script execution, despite specifically excepting the ModuleNotFoundError error, it errors out with:

Exception has occurred: ModuleNotFoundError
No module named 'awsglue'
File "/Users/user/repos/repo/functions/internal_lib.py", line 18, in <module>
from awsglue.utils import getResolvedOptions
File "/Users/xx/repos/repo/functions/internal_lib.py", line 19, in <module>
import internal_lib
ModuleNotFoundError: No module named 'awsglue'


If it's relevant this is python 3.12.9 on MacOS 15.3.1 (24D70), M2 Pro

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