Just hit this in our CI:
```[17:04:07]
File "/ho...
# developmentb
bitter-ability-32190
03/18/2022, 5:08 PMJust hit this in our CI:
Copy code
[17:04:07]
File "/home/buildagent/.cache/pants/setup/bootstrap-Linux-x86_64/2.10.0rc2_py38/lib/python3.8/site-packages/pants/util/dirutil.py", line 18, in <module>
[17:04:07]
from typing_extensions import Literal
[17:04:07]
ModuleNotFoundError: No module named 'typing_extensions'if TYPE_CHECKINGbitter-ability-32190
03/18/2022, 5:22 PMOdd I'm only seeing this... in certain circumstances
bitter-ability-32190
03/18/2022, 5:32 PMI guess it doesn't belong behind an if type checking:
https://github.com/pantsbuild/pants/search?q=typing_extensions
w
wide-midnight-78598
03/18/2022, 5:37 PMMore like:
Copy code
try:
from typing import Literal
except ImportError:
from typing_extensions import Literalwide-midnight-78598
03/18/2022, 5:38 PMtyping_extensionsb
bitter-ability-32190
03/18/2022, 5:38 PMWell it should always be in
typing_extensionsbitter-ability-32190
03/18/2022, 5:38 PMI think they continuously add things to
typing_extensionsw
wide-midnight-78598
03/18/2022, 5:39 PMHmm, I thought
typing_extensionsfrom typingwide-midnight-78598
03/18/2022, 5:41 PMI mean, if typing_extensions is present, then yes, I think it should be fine - so this is strange
b
bitter-ability-32190
03/18/2022, 6:12 PMI'm running pants in a subprocess on this machine earlier in CI and have no issues. Something is amiss
bitter-ability-32190
03/18/2022, 6:13 PMI wonder if PYTHOPATH is set to something that has the library, so when my subprocess executes it inherits it. When I invoke pants directly it doesn't? Gahh too many variables 🙃
bitter-ability-32190
03/18/2022, 6:48 PMOK I can confirm
typing_extensions~/.cache/pants/setup/bootstrap-Linux-x86_64/2.10.0rc2_py38/lib/python3.8/site-packagesbitter-ability-32190
03/18/2022, 6:57 PMI wonder if PYTHOPATH is set to something that has the library, so when my subprocess executes it inherits it. When I invoke pants directly it doesn't?I think this is exactly what's happening.
bitter-ability-32190
03/18/2022, 7:03 PMYes it seems to be an installation issue. Very weird.