Channels - Unable to use redis as sharded cluster

Hi,

I am using django channels for production.

I have configured redis on AWS Elastic-cache  as sharded cluster.

  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 354, in execute_from_command_line
    utility.execute()
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 346, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/management/base.py", line 394, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/management/base.py", line 445, in execute
    output = self.handle(*args, **options)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/channels/management/commands/runworker.py", line 64, in handle
    worker.run()
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/channels/worker.py", line 79, in run
    channel, content = self.channel_layer.receive_many(channels, block=True)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/asgi_redis/core.py", line 129, in receive_many
    result = connection.blpop(list_names, timeout=self.blpop_timeout)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/redis/client.py", line 1163, in blpop
    return self.execute_command('BLPOP', *keys)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/redis/client.py", line 573, in execute_command
    return self.parse_response(connection, command_name, **options)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/redis/client.py", line 585, in parse_response
    response = connection.read_response()
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/redis/connection.py", line 582, in read_response
    raise response
redis.exceptions.ResponseError: CROSSSLOT Keys in request don't hash to the same slot

It works very well with single node, but getting error if I use sharded instance.

Thanks in advance.
-Dadaso

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