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[RuntimeError: no running event loop] with runworker in channels 2.3.1 with latest asgiref (3.4.0)

See original GitHub issue

Getting the following error after installing django-channels with the runworker command. It’s working perfectly with asiref<3.4.0

$ python3 manage.py runworker background-task  --settings=config.settings.local

Running worker for channels ['background-task']
Traceback (most recent call last):
  File "manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/Users/xxx/.pyenv/versions/cumulus_dev/lib/python3.8/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line
    utility.execute()
  File "/Users/xxx/.pyenv/versions/cumulus_dev/lib/python3.8/site-packages/django/core/management/__init__.py", line 375, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/Users/xxx/.pyenv/versions/cumulus_dev/lib/python3.8/site-packages/django/core/management/base.py", line 323, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/Users/xxx/.pyenv/versions/cumulus_dev/lib/python3.8/site-packages/django/core/management/base.py", line 364, in execute
    output = self.handle(*args, **options)
  File "/Users/xxx/.pyenv/versions/cumulus_dev/lib/python3.8/site-packages/channels/management/commands/runworker.py", line 46, in handle
    worker.run()
  File "/Users/xxx/.pyenv/versions/cumulus_dev/lib/python3.8/site-packages/asgiref/server.py", line 59, in run
    event_loop = get_running_loop()
RuntimeError: no running event loop

pip freeze

asgiref==3.4.0
channels==2.3.1
channels-redis==2.4.1
daphne==2.4.0
Django==2.2.16

MacOS, python 3.8.4, pyenv

Issue Analytics

State:
Created 2 years ago
Reactions:2
Comments:13 (3 by maintainers)

Top GitHub Comments

6reactions

boonlengcommented, Aug 6, 2021

Same issue here as I am going through the tutorial of Channels v3 at https://channels.readthedocs.io/en/stable/tutorial/index.html. Using asgiref==3.3.4 is okay.

5reactions

bj00rncommented, Jan 24, 2022

🚀 🚀 🚀

It seems the issue is resolved in asgiref 3.5.0

https://github.com/django/asgiref/blob/8b615134bd481c4262356ad3194fbeff9240d0d3/CHANGELOG.txt#L7

Works On My Machine ™, closing issue!

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