@property
    def encoding(self):
        return None
L{checkers.UNIXAuthorizedKeysFiles} implements
dataset/ETHPy150Open mockfs/mockfs/mockfs/storage.py/file.encoding--crossover with--dataset/ETHPy150Open twisted/twisted/twisted/conch/test/test_checkers.py/UNIXAuthorizedKeysFilesTests.test_implementsInterface