’python manage.py celery beat‘ error

[nagq]

root@bdfb20f1b9a1:/workspace/backend# python manage.py celery beat
celery beat v3.1.15 (Cipater) is starting.
__    -    ... __   -        _
Configuration ->
    . broker -> redis://mysite-redis:6379/2
    . loader -> djcelery.loaders.DjangoLoader
    . scheduler -> djcelery.schedulers.DatabaseScheduler

    . logfile -> [stderr]@%INFO
    . maxinterval -> now (0s)
[2020-04-08 09:22:24,901: INFO/MainProcess] beat: Starting...
[2020-04-08 09:22:24,901: INFO/MainProcess] Writing entries (0)...
[2020-04-08 09:22:24,901: CRITICAL/MainProcess] beat raised exception <class 'AttributeError'>: AttributeError("'DatabaseFeatures' object has no attribute 'autocommits_when_autocommit_is_off'",)
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/kombu/utils/__init__.py", line 323, in __get__
    return obj.__dict__[self.__name__]
KeyError: 'scheduler'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/celery/apps/beat.py", line 112, in start_scheduler
    beat.start()
  File "/usr/local/lib/python3.6/site-packages/celery/beat.py", line 453, in start
    humanize_seconds(self.scheduler.max_interval))
  File "/usr/local/lib/python3.6/site-packages/kombu/utils/__init__.py", line 325, in __get__
    value = obj.__dict__[self.__name__] = self.__get(obj)
  File "/usr/local/lib/python3.6/site-packages/celery/beat.py", line 493, in scheduler
    return self.get_scheduler()
  File "/usr/local/lib/python3.6/site-packages/celery/beat.py", line 488, in get_scheduler
    lazy=lazy)
  File "/usr/local/lib/python3.6/site-packages/celery/utils/imports.py", line 53, in instantiate
    return symbol_by_name(name)(*args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/djcelery/schedulers.py", line 161, in __init__
    Scheduler.__init__(self, *args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/celery/beat.py", line 184, in __init__
    self.setup_schedule()
  File "/usr/local/lib/python3.6/site-packages/djcelery/schedulers.py", line 169, in setup_schedule
    self.install_default_entries(self.schedule)
  File "/usr/local/lib/python3.6/site-packages/djcelery/schedulers.py", line 263, in schedule
    self.sync()
  File "/usr/local/lib/python3.6/site-packages/djcelery/schedulers.py", line 217, in sync
    with commit_on_success():
  File "/usr/local/lib/python3.6/contextlib.py", line 81, in __enter__
    return next(self.gen)
  File "/usr/local/lib/python3.6/site-packages/djcelery/db.py", line 52, in commit_on_success
    if connection.features.autocommits_when_autocommit_is_off:
AttributeError: 'DatabaseFeatures' object has no attribute 'autocommits_when_autocommit_is_off'
[2020-04-08 09:22:24,902: INFO/MainProcess] Writing entries (0)...
[2020-04-08 09:22:24,903: WARNING/MainProcess] Traceback (most recent call last):
[2020-04-08 09:22:24,903: WARNING/MainProcess] File "/usr/local/lib/python3.6/multiprocessing/util.py", line 262, in _run_finalizers
    finalizer()
[2020-04-08 09:22:24,903: WARNING/MainProcess] File "/usr/local/lib/python3.6/multiprocessing/util.py", line 186, in __call__
    res = self._callback(*self._args, **self._kwargs)
[2020-04-08 09:22:24,903: WARNING/MainProcess] File "/usr/local/lib/python3.6/site-packages/djcelery/schedulers.py", line 217, in sync
    with commit_on_success():
[2020-04-08 09:22:24,903: WARNING/MainProcess] File "/usr/local/lib/python3.6/contextlib.py", line 81, in __enter__
    return next(self.gen)
[2020-04-08 09:22:24,903: WARNING/MainProcess] File "/usr/local/lib/python3.6/site-packages/djcelery/db.py", line 52, in commit_on_success
    if connection.features.autocommits_when_autocommit_is_off:
[2020-04-08 09:22:24,903: WARNING/MainProcess] AttributeError: 'DatabaseFeatures' object has no attribute 'autocommits_when_autocommit_is_off'
[2020-04-08 09:22:24,903: INFO/MainProcess] Writing entries (0)...
[2020-04-08 09:22:24,903: WARNING/MainProcess] Traceback (most recent call last):
[2020-04-08 09:22:24,904: WARNING/MainProcess] File "/usr/local/lib/python3.6/multiprocessing/util.py", line 262, in _run_finalizers
    finalizer()
[2020-04-08 09:22:24,904: WARNING/MainProcess] File "/usr/local/lib/python3.6/multiprocessing/util.py", line 186, in __call__
    res = self._callback(*self._args, **self._kwargs)
[2020-04-08 09:22:24,904: WARNING/MainProcess] File "/usr/local/lib/python3.6/site-packages/djcelery/schedulers.py", line 217, in sync
    with commit_on_success():
[2020-04-08 09:22:24,904: WARNING/MainProcess] File "/usr/local/lib/python3.6/contextlib.py", line 81, in __enter__
    return next(self.gen)
[2020-04-08 09:22:24,904: WARNING/MainProcess] File "/usr/local/lib/python3.6/site-packages/djcelery/db.py", line 52, in commit_on_success
    if connection.features.autocommits_when_autocommit_is_off:
[2020-04-08 09:22:24,904: WARNING/MainProcess] AttributeError: 'DatabaseFeatures' object has no attribute 'autocommits_when_autocommit_is_off'

env

amqp==1.4.9
anyjson==0.3.3
asgiref==3.2.7
backcall==0.1.0
billiard==3.3.0.23
captcha==0.3
celery==3.1.15
celery-with-redis==3.0
certifi==2020.4.5.1
chardet==3.0.4
coreapi==2.3.3
coreschema==0.0.4
cycler==0.10.0
decorator==4.4.2
Django==3.0.4
django-celery==3.3.1
django-filter==2.2.0
django-redis==4.11.0
django-rest-swagger==2.2.0
djangorestframework==3.11.0
flower==0.9.4
gevent==1.4.0
greenlet==0.4.15
gunicorn==20.0.4
humanize==0.5.1
idna==2.9
ipython==6.5.0
ipython-genutils==0.2.0
itypes==1.1.0
jedi==0.16.0
Jinja2==2.11.1
kiwisolver==1.2.0
kombu==3.0.37
Markdown==3.2.1
MarkupSafe==1.1.1
matplotlib==3.2.0
numpy==1.18.2
openapi-codec==1.3.2
parso==0.6.2
pexpect==4.8.0
pickleshare==0.7.5
Pillow==7.1.1
prompt-toolkit==1.0.18
psycopg2==2.8.4
ptyprocess==0.6.0
Pygments==2.6.1
PyJWT==1.7.1
pyparsing==2.4.7
python-dateutil==2.8.1
pytz==2019.3
redis==3.4.1
requests==2.23.0
simplegeneric==0.8.1
simplejson==3.17.0
six==1.14.0
sqlparse==0.3.1
supervisor==4.1.0
tornado==6.0.4
traitlets==4.3.3
tzlocal==2.0.0
uritemplate==3.0.1
urllib3==1.25.8
wcwidth==0.1.9