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refactor: future-annotations headers for lazy aggregator imports - #705
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… (PyAutoFit#1505) Three aggregator modules evaluated af.Aggregator/af.GridSearchAggregator in def-time annotations, re-triggering the sqlalchemy/database import the import-time task defers. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Summary
Part of the cross-repo import-time task (PyAutoFit#1505). Same one-line change as the PyAutoGalaxy PR: three aggregator modules evaluate
af.Aggregator/af.GridSearchAggregatorin def-time annotations, re-triggering the sqlalchemy/database import the task defers.from __future__ import annotationsheaders inaggregator/fit_imaging.py,aggregator/fit_interferometer.py,aggregator/subhalo.pymake them lazy strings. Net cross-repo result:import autolens4.07s → ~2.1s with jax, blackjax, optax, nufftax, IPython, sqlalchemy, numba and astropy all absent from the bare import tree.API Changes
None — internal changes only (annotation evaluation semantics in three modules).
See full details below.
Test Plan
python -X importtime -c "import autolens"heavy-module grep: zero hitsmain(the 4 jax_likelihood pin failures are pre-existing; control-tested, see PyAutoFit#1505)Full API Changes (for automation & release notes)
Changed Behaviour
from __future__ import annotationsadded to three aggregator modules; annotations become lazy strings (PEP 563), no runtime introspection of them exists.Migration
Generated by the PyAutoLabs agent workflow.