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Guard Coils.dofs_currents against None/bool sentinels (fixes tracing crash on #42) #43

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Merged
eduardolneto merged 1 commit into from
Jul 15, 2026
Merged

Guard Coils.dofs_currents against None/bool sentinels (fixes tracing crash on #42) #43

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3 changes: 3 additions & 0 deletions essos/coils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -633,6 +633,9 @@ def currents_scale(self, new_currents_scale):
# dofs_currents property and setter
@property
def dofs_currents(self):
# Sentinel leaf during PyTree traversal: pass through, don't scale.
if self._dofs_currents_raw is None or isinstance(self._dofs_currents_raw, bool):
return self._dofs_currents_raw
if self._dofs_currents is None:
dofs_currents = self.dofs_currents_raw / self.currents_scale
if not isinstance(dofs_currents, jax.core.Tracer):
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