test: JAX pytree leaf-type registration guard (guards PyAutoFit#1366)#42
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Reproduces af.Model(int) sub-model; asserts leaf types are NOT registered as pytree nodes, the real component IS, and jax tree_flatten/unflatten round-trips. Regression guard for the shapelet vmap crash. JAX assertions live here, not in test_autofit (moved out in #1247). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TDCsgNCXacXqiWAPTswWCt
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Summary
Regression guard for the JAX shapelet-fit crash fixed in PyAutoFit#1366 (release-validation run
29266305445). Addsscripts/jax_assertions/pytree_leaf_registration.py: builds a model with anaf.Model(int)sub-model (the shapeletn/mstructure), then asserts leaf types (int/float/str/…) are not registered as pytree nodes, the real component class is, andjax.tree_util.tree_flatten/tree_unflattenround-trips.Reproduces without autogalaxy (pure autofit). JAX assertions live here, not
test_autofit/(moved out in #1247).Library-first gate
Merge after PyAutoFit#1366. Verified passing against that branch.
🤖 Generated with Claude Code
https://claude.ai/code/session_01TDCsgNCXacXqiWAPTswWCt