升级P3.8D4.2.4

升级P3.8D4.2.4.解决提示问题django.core.exceptions.SynchronousOnlyOperation: You cannot call this from an async context - use a thread or sync_to_async.
manager启动配置：os.environ["DJANGO_ALLOW_ASYNC_UNSAFE"] = "true"

参考：https://stackoverflow.com/questions/61926359/django-synchronousonlyoperation-you-cannot-call-this-from-an-async-context-u

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