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Handle KeyError in CheckInitialChangeSymbols #459

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Merged
dweindl merged 1 commit into from
Nov 11, 2025
Merged

Handle KeyError in CheckInitialChangeSymbols #459

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11 changes: 9 additions & 2 deletions petab/v2/lint.py
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Original file line number Diff line number Diff line change
Expand Up @@ -768,8 +768,15 @@ def run(self, problem: Problem) -> ValidationIssue | None:
if condition_id in valid_conditions:
continue

# we assume that all referenced condition IDs are valid
condition = id_to_condition[condition_id]
try:
condition = id_to_condition[condition_id]
except KeyError:
messages.append(
f"Unable to validate changes for condition "
f"{condition_id} applied at the start of "
f"experiment {experiment.id}, as the condition "
"does not exist."
)

used_symbols = {
str(sym)
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