# [Codecov](https://codecov.io/gh/apache/incubator-airflow/pull/3979?src=pr&el=h1) Report > Merging > [#3979](https://codecov.io/gh/apache/incubator-airflow/pull/3979?src=pr&el=desc) > into > [master](https://codecov.io/gh/apache/incubator-airflow/commit/5e9c9b54f6218e70333d70e590874cc88b5f74cc?src=pr&el=desc) > will **increase** coverage by `0.02%`. > The diff coverage is `n/a`.
[](https://codecov.io/gh/apache/incubator-airflow/pull/3979?src=pr&el=tree) ```diff @@ Coverage Diff @@ ## master #3979 +/- ## ========================================== + Coverage 75.05% 75.08% +0.02% ========================================== Files 199 199 Lines 15965 15965 ========================================== + Hits 11983 11987 +4 + Misses 3982 3978 -4 ``` | [Impacted Files](https://codecov.io/gh/apache/incubator-airflow/pull/3979?src=pr&el=tree) | Coverage Δ | | |---|---|---| | [airflow/hooks/S3\_hook.py](https://codecov.io/gh/apache/incubator-airflow/pull/3979/diff?src=pr&el=tree#diff-YWlyZmxvdy9ob29rcy9TM19ob29rLnB5) | `94.32% <ø> (ø)` | :arrow_up: | | [airflow/jobs.py](https://codecov.io/gh/apache/incubator-airflow/pull/3979/diff?src=pr&el=tree#diff-YWlyZmxvdy9qb2JzLnB5) | `82.48% <0%> (+0.35%)` | :arrow_up: | ------ [Continue to review full report at Codecov](https://codecov.io/gh/apache/incubator-airflow/pull/3979?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/3979?src=pr&el=footer). > Last update > [5e9c9b5...acf03e7](https://codecov.io/gh/apache/incubator-airflow/pull/3979?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/3979 ] This message was relayed via gitbox.apache.org for [email protected]
