I cannot export inference graph

[tangyuhin0220]

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FileNotFoundError Traceback (most recent call last)
in ()
3
4 regex = re.compile(r"model.ckpt-([0-9]+).index")
----> 5 numbers = [int(regex.search(f).group(1)) for f in os.listdir(OUTPUT_PATH) if regex.search(f)]
6 TRAINED_CHECKPOINT_PREFIX = os.path.join(OUTPUT_PATH, 'model.ckpt-{}'.format(max(numbers)))
7

FileNotFoundError: [Errno 2] No such file or directory: '/content/output'