django.db.utils.OperationalError: (1071, 'Specified key was too long; max key length is 767 bytes')

django使用celery时  迁移python3 manage.py migrate报错 解决方法   换包     django-celery  → → →    django-celery-utf8mb4 python3 -m pip uninstall django-celery python3 -m pip install django-celery-utf8mb4 然后删除几张djc

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