Method seekable

Lib/test/test_zstd.py:2294–2295

(self)

    def test_seek_not_seekable(self):
        class C(io.BytesIO):
            def seekable(self):
                return False
        obj = C(COMPRESSED_100_PLUS_32KB)
        with ZstdFile(obj, 'r') as f:
            d = f.read(1)