# [Codecov](https://codecov.io/gh/apache/incubator-airflow/pull/3823?src=pr&el=h1) Report > Merging > [#3823](https://codecov.io/gh/apache/incubator-airflow/pull/3823?src=pr&el=desc) > into > [master](https://codecov.io/gh/apache/incubator-airflow/commit/1f88a4c044be6ff7e756e088681feaf27d73f4bf?src=pr&el=desc) > will **increase** coverage by `0.01%`. > The diff coverage is `90.47%`.
[](https://codecov.io/gh/apache/incubator-airflow/pull/3823?src=pr&el=tree) ```diff @@ Coverage Diff @@ ## master #3823 +/- ## ========================================== + Coverage 77.43% 77.45% +0.01% ========================================== Files 203 203 Lines 15846 15867 +21 ========================================== + Hits 12271 12289 +18 - Misses 3575 3578 +3 ``` | [Impacted Files](https://codecov.io/gh/apache/incubator-airflow/pull/3823?src=pr&el=tree) | Coverage Δ | | |---|---|---| | [airflow/hooks/S3\_hook.py](https://codecov.io/gh/apache/incubator-airflow/pull/3823/diff?src=pr&el=tree#diff-YWlyZmxvdy9ob29rcy9TM19ob29rLnB5) | `94.32% <90.47%> (-0.68%)` | :arrow_down: | | [airflow/models.py](https://codecov.io/gh/apache/incubator-airflow/pull/3823/diff?src=pr&el=tree#diff-YWlyZmxvdy9tb2RlbHMucHk=) | `88.74% <0%> (-0.05%)` | :arrow_down: | ------ [Continue to review full report at Codecov](https://codecov.io/gh/apache/incubator-airflow/pull/3823?src=pr&el=continue). > **Legend** - [Click here to learn > more](https://docs.codecov.io/docs/codecov-delta) > `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data` > Powered by > [Codecov](https://codecov.io/gh/apache/incubator-airflow/pull/3823?src=pr&el=footer). > Last update > [1f88a4c...c487bf3](https://codecov.io/gh/apache/incubator-airflow/pull/3823?src=pr&el=lastupdated). > Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments). [ Full content available at: https://github.com/apache/incubator-airflow/pull/3823 ] This message was relayed via gitbox.apache.org for [email protected]
