def __init__(self, settings):
        self._cache = LRUDict(maxsize=settings.SIZE_DNS_CACHE)
        self._static_cache = dict()
        self._static_cache.update(settings.STATIC_DNS_MAPPINGS)
Initialize the lru cache and the static mappings.
dataset/ETHPy150Open retresco/Spyder/src/spyder/core/dnscache.py/DnsCache.__init__