django-redis-cache get_or_set() method is unreachable

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Using:

Django==3.0.2
django-redis-cache==2.1.0

Configure django-redis-cache per the docs:

CACHES = {
    'default': {
        'BACKEND': 'redis_cache.RedisCache',
        'LOCATION': 'redis://localhost:6379/0',
        'TIMEOUT': 300,
    },
}

Then try:

cache.get_or_set('key', 'non-callable value')

Everything actually works, but django-redis-cache should raise an exception when a non-callable is passed.

It seems that when Django added a get_or_set() method it is now overriding the django-redis-cache get_or_set() method. This would remove the advantage of the built in "thundering herd protection" and is confusing.

Thanks.