Optimize the loading of hyperparameters

[brifordwylie]

Pretty sure that we're doing to sub-optimal right now..

2026-01-26 11:37:13 (model_utils.py:376) INFO Loading hyperparameters from s3://../pka-a1-value-reg-chemprop-1-260124-2026-01-24-17-49/output/model.tar.gz


2026-01-26 11:37:50 (model_utils.py:350) INFO Loaded hyperparameters from /var/folders/hl/bw13snw160vfkj1kslh785gm0000gn/T/tmprlzu0_96/hyperparameters.json
2026-01-26 11:37:52 (model_utils.py:376) INFO Loading hyperparameters from s3://.../pka-a1-value-reg-chemprop-1-260124-2026-01-24-17-49/output/model.tar.gz
2026-01-26 11:38:17 (model_utils.py:350) INFO Loaded hyperparameters from /var/folders/hl/bw13snw160vfkj1kslh785gm0000gn/T/tmpwu2w4vso/hyperparameters.json