[jira] [Created] (AIRFLOW-1967) Update Celery version

["Fokko Driesprong (JIRA)" <ji...@apache.org>]

Fokko Driesprong created AIRFLOW-1967:
-----------------------------------------

             Summary: Update Celery version
                 Key: AIRFLOW-1967
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-1967
             Project: Apache Airflow
          Issue Type: Bug
            Reporter: Fokko Driesprong


I've been working on getting a new Docker image out with Airflow 1.9, but I ran into problems with Celery 4.0.0, after updating to 4.0.2, the error disappeared:

worker_1     | [2018-01-03 10:34:29,934: CRITICAL/MainProcess] Unrecoverable error: TypeError("'<=' not supported between instances of 'NoneType' and 'int'",)
worker_1     | Traceback (most recent call last):
worker_1     |   File "/usr/local/lib/python3.6/site-packages/celery/worker/worker.py", line 203, in start
worker_1     |     self.blueprint.start(self)
worker_1     |   File "/usr/local/lib/python3.6/site-packages/celery/bootsteps.py", line 115, in start
worker_1     |     self.on_start()
worker_1     |   File "/usr/local/lib/python3.6/site-packages/celery/apps/worker.py", line 143, in on_start
worker_1     |     self.emit_banner()
worker_1     |   File "/usr/local/lib/python3.6/site-packages/celery/apps/worker.py", line 159, in emit_banner
worker_1     |     string(self.colored.reset(self.extra_info() or '')),
worker_1     |   File "/usr/local/lib/python3.6/site-packages/celery/apps/worker.py", line 188, in extra_info
worker_1     |     if self.loglevel <= logging.INFO:
worker_1     | TypeError: '<=' not supported between instances of 'NoneType' and 'int'

I've been running Celery in an undockerized setting, and then everything worked out fine.



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