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:thread: I am trying to lock my dependencies and I...
# general
p
🧵 I am trying to lock my dependencies and I am hitting a strange behaviour. I am trying to install 
streamlit
and on PyPI it says supports 3.9. When I specify 
streamlit >= 1.39.0
and run 
pants generate-lockfiles
it fails and claims it cannot find a dependency that works.
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1.39.0 Requires-Python !=3.9.7,>=3.8
Funny thing is that my interpreter is 3.9.20. Would anyone know why this is happening? When I install it directly with pip I can install it to the virtualenv.
Full error message:
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pid 71923 -> /Users/hwasunglee/.cache/pants/named_caches/pex_root/venvs/0deb89b23adbbad7a5b9aac06d2362acf7572cfa/573b54e6e6411f4717156f34c38eb76ebc5c8bfc/bin/python -sE /Users/hwasunglee/.cache/pants/named_caches/pex_root/venvs/0deb89b23adbbad7a5b9aac06d2362acf7572cfa/573b54e6e6411f4717156f34c38eb76ebc5c8bfc/pex --disable-pip-version-check --no-python-version-warning --exists-action a --no-input --isolated -q --cache-dir /Users/hwasunglee/.cache/pants/named_caches/pex_root/pip/24.0/pip_cache --log /private/var/folders/4l/vpwj_3ys6g93dhjf3gcglzbc0000gn/T/pants-sandbox-lvxmER/.tmp/pex-pip-log.mv59taap/pip.log download --dest /private/var/folders/4l/vpwj_3ys6g93dhjf3gcglzbc0000gn/T/pants-sandbox-lvxmER/.tmp/tmpb0y3jk3t/Users.hwasunglee.code.team-tfai.ui_testing.dist.export.python.virtualenvs.python-default.3.9.20.bin.python3.9 anthropic matplotlib networkx pytest requests streamlit>=1.39.0 types-requests --index-url <https://pypi.org/simple/> --extra-index-url <https://pypi.apple.com/simple> --retries 5 --timeout 15 exited with 1 and STDERR:
ERROR: Ignored the following versions that require a different python version: 0.55.2 Requires-Python <3.5; 1.12.1 Requires-Python >=3.7, !=3.9.7; 1.12.1rc1 Requires-Python >=3.7, !=3.9.7; 1.12.2 Requires-Python >=3.7, !=3.9.7; 1.12.2rc1 Requires-Python >=3.7, !=3.9.7; 1.12.2rc2 Requires-Python >=3.7, !=3.9.7; 1.13.0 Requires-Python >=3.7, !=3.9.7; 1.13.0rc1 Requires-Python >=3.7, !=3.9.7; 1.13.0rc2 Requires-Python >=3.7, !=3.9.7; 1.14.0 Requires-Python >=3.7, !=3.9.7; 1.14.0rc1 Requires-Python >=3.7, !=3.9.7; 1.14.1 Requires-Python >=3.7, !=3.9.7; 1.14.1rc1 Requires-Python >=3.7, !=3.9.7; 1.15.0 Requires-Python >=3.7, !=3.9.7; 1.15.1 Requires-Python >=3.7, !=3.9.7; 1.15.2 Requires-Python >=3.7, !=3.9.7; 1.15.2rc1 Requires-Python >=3.7, !=3.9.7; 1.16.0 Requires-Python >=3.7, !=3.9.7; 1.17.0 Requires-Python >=3.7, !=3.9.7; 1.18.0 Requires-Python >=3.7, !=3.9.7; 1.18.1 Requires-Python >=3.7, !=3.9.7; 1.18.1rc1 Requires-Python >=3.7, !=3.9.7; 1.19.0 Requires-Python >=3.7, !=3.9.7; 1.20.0 Requires-Python >=3.7, !=3.9.7; 1.21.0 Requires-Python >=3.7, !=3.9.7; 1.22.0 Requires-Python >=3.7, !=3.9.7; 1.23.0 Requires-Python >=3.7, !=3.9.7; 1.23.1 Requires-Python >=3.7, !=3.9.7; 1.24.0 Requires-Python >=3.8, !=3.9.7; 1.24.1 Requires-Python >=3.8, !=3.9.7; 1.25.0 Requires-Python >=3.8, !=3.9.7; 1.26.0 Requires-Python >=3.8, !=3.9.7; 1.26.1 Requires-Python !=3.9.7,>=3.8; 1.27.0 Requires-Python >=3.8, !=3.9.7; 1.27.1 Requires-Python >=3.8, !=3.9.7; 1.27.2 Requires-Python >=3.8, !=3.9.7; 1.28.0 Requires-Python >=3.8, !=3.9.7; 1.28.1 Requires-Python >=3.8, !=3.9.7; 1.28.2 Requires-Python >=3.8, !=3.9.7; 1.29.0 Requires-Python >=3.8, !=3.9.7; 1.30.0 Requires-Python >=3.8, !=3.9.7; 1.31.0 Requires-Python >=3.8, !=3.9.7; 1.31.1 Requires-Python >=3.8, !=3.9.7; 1.32.0 Requires-Python >=3.8, !=3.9.7; 1.32.1 Requires-Python >=3.8, !=3.9.7; 1.32.2 Requires-Python >=3.8, !=3.9.7; 1.32.2rc1 Requires-Python >=3.8, !=3.9.7; 1.33.0 Requires-Python !=3.9.7,>=3.8; 1.34.0 Requires-Python !=3.9.7,>=3.8; 1.35.0 Requires-Python !=3.9.7,>=3.8; 1.36.0 Requires-Python !=3.9.7,>=3.8; 1.37.0 Requires-Python !=3.9.7,>=3.8; 1.37.1 Requires-Python !=3.9.7,>=3.8; 1.38.0 Requires-Python !=3.9.7,>=3.8; 1.39.0 Requires-Python !=3.9.7,>=3.8; 3.10.0rc1 Requires-Python >=3.10; 3.3 Requires-Python >=3.10; 3.3rc0 Requires-Python >=3.10; 3.4 Requires-Python >=3.10; 3.4.1 Requires-Python >=3.10; 3.4.2 Requires-Python >=3.10; 3.4rc0 Requires-Python >=3.10
ERROR: Could not find a version that satisfies the requirement streamlit>=1.39.0 (from versions: 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.8.2, 0.9.0, 0.11.0, 0.12.2, 0.12.3, 0.12.4, 0.13.0, 0.13.1, 0.13.3, 0.13.5, 0.14.2, 0.15.0, 0.15.1, 0.15.2, 0.15.3, 0.15.4, 0.15.5, 0.15.6, 0.16.0, 0.16.1, 0.16.2, 0.16.3, 0.17.0, 0.17.1, 0.17.2, 0.18.0, 0.18.1, 0.19.0, 0.19.1, 0.20.0, 0.21.0, 0.22.0, 0.22.1, 0.22.2, 0.23.0, 0.24.0, 0.24.1, 0.24.2, 0.24.3, 0.25.0, 0.26.0, 0.26.1, 0.27.0, 0.28.0, 0.29.0, 0.30.0, 0.31.0, 0.32.0, 0.33.0, 0.34.0, 0.35.0, 0.36.0, 0.37.0, 0.40.0, 0.40.1, 0.41.0, 0.42.0, 0.43.0, 0.43.1, 0.43.2, 0.44.0, 0.45.0, 0.46.0, 0.47.0, 0.47.1, 0.47.2, 0.47.3, 0.47.4, 0.48.0, 0.48.1, 0.49.0, 0.50.0, 0.50.1, 0.50.2, 0.51.0, 0.52.0, 0.52.1, 0.52.2, 0.53.0, 0.54.0, 0.55.0, 0.56.0, 0.57.0, 0.57.1, 0.57.2, 0.57.3, 0.58.0, 0.59.0, 0.60.0, 0.61.0, 0.62.0, 0.62.1, 0.63.0, 0.63.1, 0.64.0, 0.65.0, 0.65.1, 0.65.2, 0.66.0, 0.67.0, 0.67.1, 0.68.0, 0.68.1, 0.69.0, 0.69.1, 0.69.2, 0.70.0, 0.71.0, 0.72.0, 0.73.0, 0.73.1, 0.74.0, 0.74.1, 0.75.0, 0.76.0, 0.77.0, 0.78.0, 0.79.0, 0.80.0, 0.81.0, 0.81.1, 0.82.0, 0.83.0, 0.84.0, 0.84.1, 0.84.2, 0.85.0, 0.85.1, 0.86.0, 0.87.0, 0.88.0, 0.89.0, 1.0.0, 1.1.0, 1.2.0, 1.3.0, 1.3.1, 1.4.0, 1.5.0, 1.5.1, 1.6.0rc3, 1.6.0rc4, 1.6.0, 1.7.0, 1.8.0rc1, 1.8.0, 1.8.1rc1, 1.8.1, 1.9.0rc1, 1.9.0, 1.9.1rc1, 1.9.1rc2, 1.9.1, 1.9.2rc1, 1.9.2, 1.10.0rc1, 1.10.0rc2, 1.10.0, 1.11.0rc1, 1.11.0, 1.11.1rc1, 1.11.1, 1.12.0rc1, 1.12.0rc2, 1.12.0)
ERROR: No matching distribution found for streamlit>=1.39.0
When I invoke the command manually, I don't see any errors either... hmm... maybe a dependency resolution bug somewhere?
h
What are your interpreter constraints in your pants config?
p
It's 3.9.*
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[python]
interpreter_constraints = ["==3.9.*"]
enable_resolves = true
I am a bit stumped by the fact that if I just copy and paste the command in the terminal it doesn't give me the error... 😞
h
The semantics of those ICs are that Pants will try and create a lockfile compatible with all 
3.9.*
interpreters, and fail since there is no streamlit that will work, apparently
So at the very least you have to exclude 3.9.7 in your ICs
Or ideally, pick a specific patch version
p
Ah... I see... that makes sense...
Thanks a lot Benjy, really appreciate it! 🙏
h
The new Python backend will force you to pick a specific version with no wildcards, as this is such a frequent gotcha
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