project_name_conflictTier 1 · 70% confidence
observability-project-name-conflic-when-using-opik-evaluation-evaluate-with-track-pro-0420258b
agent: observability
When does this happen?
IF When using opik.evaluation.evaluate with @track(project_name='...') on inner functions, data logs to Default Project and a warning appears about nested span project name 'None' being used instead.
How others solved it
THEN Set the project name in the experiment_config parameter of the evaluate() function rather than (or in addition to) the @track decorator. For example: opik.evaluation.evaluate(..., experiment_config={'project_name': 'your_project'}). This ensures the evaluation context uses the correct project name.
# Instead of @track(project_name='ppl_test'), pass project_name to evaluate:
from opik import evaluate
evaluate(
task=your_function,
data=test_data,
experiment_config={'project_name': 'ppl_test'}
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