Bas Harenslak created AIRFLOW-3237:
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Summary: Refactor example DAGs
Key: AIRFLOW-3237
URL: https://issues.apache.org/jira/browse/AIRFLOW-3237
Project: Apache Airflow
Issue Type: Improvement
Reporter: Bas Harenslak
I think it's important to have the example DAGs reflect good programming
standards and how to write clean and concise Airflow code. Therefore, refactor
the example DAGs, which mostly involves:
* Replace set_upstream() and set_downstream() by the bitshift operators, since
they exist since Airflow 1.8 and everybody uses those now.
* Optimise imports (grouping by stdlib/3rd party/own and alphabetic ordering).
* Place function calls with arguments on single line if line is short enough,
or put each function argument on a new line, but don't mix.
* Passing list of tasks when setting dependencies instead of making multiple
set_up/down-stream calls.
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