Anes Benmerzoug f5683bc8fa
fix: document joiner division by zero with distribution based rank fusion (#8520)
* Parametrize document joiner tests with empty lists

* Skip loop in _distribution_based_rank_fusion if document list is empty

* Parametrize test_empty_list with join_mode

* Prevent division by zero in _merge and _reciprocal_rank_fusion

* Add release notes

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Co-authored-by: Silvano Cerza <silvanocerza@gmail.com>
2024-11-14 11:41:28 +00:00
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