def has_key(self, key, version=None):
        key = self.make_key(key, version=version)
        return key in self._cache
Test the ability to retrieve statuses on a commit.
dataset/ETHPy150Open grantjenks/python-diskcache/diskcache/djangocache.py/DjangoCache.has_key--crossover with--dataset/ETHPy150Open sigmavirus24/github3.py/tests/integration/test_repos_commit.py/TestRepoCommit.test_statuses