celery 4.1.1 was just released last night which has all the async problems fixed:
https://github.com/celery/celery/commits/v4.1.1 I'll test this out, and then submit a PR to bump airflow's celery version to 4.1.1 -- Craig On 2018/05/21 07:20:50, Craig Rodrigues <crodr...@gmail.com> wrote: > Hi, > > I used a requiremens.txt file with these three lines: > > git+https://github.com/apache/incubator-airflow@v1-10-test#egg=apache-airflow[celery,crypto,emr,hive,hdfs,ldap,mysql,postgres,redis,slack,s3] > celery>=4.2.0rc3 > kombu>=4.2.0 > > > I did > > pip install -r requirements.txt > > When I started my worker, I got: > > [2018-05-21 06:39:23,980] {__init__.py:48} INFO - Using executor > CeleryExecutor > Traceback (most recent call last): > File "/bin/airflow", line 32, in <module> > args.func(args) > File "/usr/lib/python2.7/site-packages/airflow/utils/cli.py", line 74, in > wrapper > return f(*args, **kwargs) > File "/usr/lib/python2.7/site-packages/airflow/bin/cli.py", line 959, in > worker > worker.run(**options) > File "/usr/lib/python2.7/site-packages/celery/bin/worker.py", line 257, in > run > **kwargs) > File "/usr/lib/python2.7/site-packages/celery/worker/worker.py", line 101, > in __init__ > self.setup_instance(**self.prepare_args(**kwargs)) > File "/usr/lib/python2.7/site-packages/celery/worker/worker.py", line 124, > in setup_instance > self.should_use_eventloop() if use_eventloop is None > File "/usr/lib/python2.7/site-packages/celery/worker/worker.py", line 243, > in should_use_eve > self._conninfo.transport.implements.async and > File "/usr/lib/python2.7/site-packages/kombu/transport/base.py", line 125, > in __getattr__ > raise AttributeError(key) > AttributeError: async > > > > I reported this as a bug in celery here: > > https://github.com/celery/celery/issues/4747 > > It turns out that this is a known problem. It looks like in kombu, they > renamed a bunch of uses of "async" to "asynchronous", to not clash with the > new > 'async' keyword in Python 3.7. > > In celery, they are catching up and doing the same rename. > Almost at the same time that I reported this bug, the issue was fixed in the > master branch of celery: > > https://github.com/celery/celery/commit/c8ef7ad60b72a194654c58beb04a1d65cd0435ad > > Hopefully the versions of kombu and celery will stabilize so that it all > works properly with airflow. > > -- > Craig > > >
