Fix mnist & iris parallel pipelines: bump to py3.8 + ubuntu22.04 image#3980
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Fix mnist & iris parallel pipelines: bump to py3.8 + ubuntu22.04 image#3980Chakradhar886 wants to merge 8 commits into
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Description
Why it broke
PRS driver now requires Python 3.8+ (from typing import TypedDict); envs were pinned to python=3.7.6.
Base image openmpi4.1.0-ubuntu20.04 reached EOL.
Fix
Both pipelines:
pipeline.yml: image → openmpi4.1.0-ubuntu22.04
environment_parallel.yml: python=3.7.6 → python=3.8
iris (env-only): pin scikit-learn==0.23.2 (legacy pickle compat), numpy<1.24 (sklearn 0.23 uses removed np.float), cloudpickle==2.2.1.
mnist: pin tensorflow==2.13.1 (TF 1.15 has no py3.8 wheels) + protobuf>=3.20.3,<5; add import tensorflow.compat.v1 as tf; tf.disable_v2_behavior() (mandatory TF1→TF2 shim).
Checklist