# [Codecov](https://codecov.io/gh/apache/incubator-airflow/pull/3821?src=pr&el=h1) Report > Merging > [#3821](https://codecov.io/gh/apache/incubator-airflow/pull/3821?src=pr&el=desc) > into > [master](https://codecov.io/gh/apache/incubator-airflow/commit/82454477c57699ece5c6515ce85b7df0c0583571?src=pr&el=desc) > will **increase** coverage by `<.01%`. > The diff coverage is `100%`.
[](https://codecov.io/gh/apache/incubator-airflow/pull/3821?src=pr&el=tree) ```diff @@ Coverage Diff @@ ## master #3821 +/- ## ========================================== + Coverage 77.43% 77.44% +<.01% ========================================== Files 203 203 Lines 15840 15844 +4 ========================================== + Hits 12266 12270 +4 Misses 3574 3574 ``` | [Impacted Files](https://codecov.io/gh/apache/incubator-airflow/pull/3821?src=pr&el=tree) | Coverage Δ | | |---|---|---| | [airflow/models.py](https://codecov.io/gh/apache/incubator-airflow/pull/3821/diff?src=pr&el=tree#diff-YWlyZmxvdy9tb2RlbHMucHk=) | `88.78% <100%> (+0.01%)` | :arrow_up: | ------ [Continue to review full report at Codecov](https://codecov.io/gh/apache/incubator-airflow/pull/3821?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/3821?src=pr&el=footer). > Last update > [8245447...c78c818](https://codecov.io/gh/apache/incubator-airflow/pull/3821?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/3821 ] This message was relayed via gitbox.apache.org for [email protected]
