[GitHub] Fokko opened a new pull request #3723: [AIRFLOW-2876] Update Tenacity to 4.12

[GitBox <gi...@apache.org>]

Fokko opened a new pull request #3723: [AIRFLOW-2876] Update Tenacity to 4.12
URL: https://github.com/apache/incubator-airflow/pull/3723
 
 
   Tenacity 4.8 is not python 3.7 compatible because it contains reserved keywords in the code:
   ```
   [2018-08-08 21:21:22,016] {models.py:366} ERROR - Failed to import: /usr/local/lib/python3.7/site-packages/airflow/example_dags/example_http_operator.py
   Traceback (most recent call last):
     File "/usr/local/lib/python3.7/site-packages/airflow/models.py", line 363, in process_file
       m = imp.load_source(mod_name, filepath)
     File "/usr/local/lib/python3.7/imp.py", line 172, in load_source
       module = _load(spec)
     File "<frozen importlib._bootstrap>", line 696, in _load
     File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
     File "<frozen importlib._bootstrap_external>", line 728, in exec_module
     File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
     File "/usr/local/lib/python3.7/site-packages/airflow/example_dags/example_http_operator.py", line 27, in <module>
       from airflow.operators.http_operator import SimpleHttpOperator
     File "/usr/local/lib/python3.7/site-packages/airflow/operators/http_operator.py", line 21, in <module>
       from airflow.hooks.http_hook import HttpHook
     File "/usr/local/lib/python3.7/site-packages/airflow/hooks/http_hook.py", line 23, in <module>
       import tenacity
     File "/usr/local/lib/python3.7/site-packages/tenacity/__init__.py", line 352
       from tenacity.async import AsyncRetrying
   ```
   
   Make sure you have checked _all_ steps below.
   
   ### Jira
   
   - [x] My PR addresses the following [Airflow Jira](https://issues.apache.org/jira/browse/AIRFLOW/) issues and references them in the PR title. For example, "\[AIRFLOW-XXX\] My Airflow PR"
     - https://issues.apache.org/jira/browse/AIRFLOW-2876
     - In case you are fixing a typo in the documentation you can prepend your commit with \[AIRFLOW-2876\], code changes always need a Jira issue.
   
   ### Description
   
   - [x] Here are some details about my PR, including screenshots of any UI changes:
   
   ### Tests
   
   - [x] My PR adds the following unit tests __OR__ does not need testing for this extremely good reason:
   
   ### 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 from "[How to write a good git commit message](http://chris.beams.io/posts/git-commit/)":
     1. Subject is separated from body by a blank line
     1. Subject is limited to 50 characters (not including Jira issue reference)
     1. Subject does not end with a period
     1. Subject uses the imperative mood ("add", not "adding")
     1. Body wraps at 72 characters
     1. Body explains "what" and "why", not "how"
   
   ### Documentation
   
   - [x] In case of new functionality, my PR adds documentation that describes how to use it.
     - When adding new operators/hooks/sensors, the autoclass documentation generation needs to be added.
   
   ### Code Quality
   
   - [x] Passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
   

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