What's Changed
* [Issues:35] applied a coalesce to unit_source_value and unit_concept_id if exist by ChaoPang in https://github.com/Medical-Event-Data-Standard/meds_etl/pull/36
* polars fix + tqdm logging by Miking98 in https://github.com/Medical-Event-Data-Standard/meds_etl/pull/38
**Full Changelog**: https://github.com/Medical-Event-Data-Standard/meds_etl/compare/0.3.6...0.3.7