crash with django 4 and redis

[alibaltschun]

i have a django 4 app using redis for cache

it work fine with memCache

but error while using redis

exc_info=(<class 'ModuleNotFoundError'>, ModuleNotFoundError("No module named 'redis'"), <traceback object at 0x7fe6b633de40>)

'BACKEND': 'django.core.cache.backends.redis.RedisCache', 'LOCATION': 'redis://127.0.0.1:6379',

already try pip install redis / django_redis but still error.