[GitHub] [airflow] mattpetersen opened a new pull request #5876: [AIRFLOW-5270] JSONDecodeError in DockerOperator when force_pull

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mattpetersen opened a new pull request #5876: [AIRFLOW-5270] JSONDecodeError in DockerOperator when force_pull
URL: https://github.com/apache/airflow/pull/5876
 
 
   Make sure you have checked _all_ steps below.
   
   ### Jira
   
   - [X] My PR addresses the following [Airflow Jira]
   https://issues.apache.org/jira/browse/AIRFLOW-5270
   
   ### Description
   
   - [X] Here are some details about my PR, including screenshots of any UI changes
   The DockerAPI often returns multiple JSONs within the same line, joined by `\r\n`. If we replace `\r\n` with `\n`, then the response is decoded as expected; otherwise we get "JSONDecodeError"
   
   ### Tests
   
   - [X] My PR adds the following unit tests __OR__ does not need testing for this extremely good reason
   
   Happy to add tests if necessary.
   
   ### Commits
   
   - [X] My commits all reference Jira issues in their subject lines, and I have squashed multiple commits if they address the same issue. In addition, my commits follow the guidelines.
   
   ### Documentation
   
   - [X] In case of new functionality, my PR adds documentation that describes how to use it.
     - All the public functions and the classes in the PR contain docstrings that explain what it does
     - If you implement backwards incompatible changes, please leave a note in the [Updating.md](https://github.com/apache/airflow/blob/master/UPDATING.md) so we can assign it to a appropriate release
   
   ### Code Quality
   
   - [X] Passes `flake8`
   

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