fix(lcb-service): pin base image to Python 3.11 to match LiveCodeBench - #457
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fix(lcb-service): pin base image to Python 3.11 to match LiveCodeBench#457liayan wants to merge 1 commit into
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…r the base image LiveCodeBench requires-python >= 3.10 and its README uses `uv venv --python 3.11`. Switch both build/runtime stages from dhi.io/python:3.14-debian13(-sfw-dev) to dhi.io/python:3.11-debian13(-sfw-dev) to match.
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LiveCodeBench requires Python >= 3.10, and its README uses
uv venv --python 3.11. Switch both build/runtime stages from dhi.io/python:3.14-debian13(-sfw-dev) to dhi.io/python:3.11-debian13(-sfw-dev) to match.This is related to #433
#433 (comment)
Python 3.14 changed the Linux multiprocessing default to forkserver. With the shipped Python 3.14 service image, grading child processes died during startup, leaving evaluation stuck at 0/N.
After discussion, the current conclusion is to revert the base image to Python 3.11. An explicit spawn solution is still worth investigating, but it needs additional performance evaluation before we consider adopting it.
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