def get(self, key):
        key = str(key)
        if key in self.cache \
                and time.time() < self.cache[key][0] + self.expire_after \
                and (not self.update_cache or key in self.new):
            return self.cache[key]
        return None
Return a (time, value) tuple for a given key
dataset/ETHPy150Open YetAnotherNerd/whatlastgenre/wlg/dataprovider.py/Cache.get