Initializing AI Dungeon! (This might take a few minutes)

Traceback (most recent call last):
  File "play.py", line 252, in <module>
    play_aidungeon_2()
  File "play.py", line 106, in play_aidungeon_2
    generator = GPT2Generator(60, temp, top_k, 0.9)
  File "/content/AIDungeon-Uncensored/generator/gpt2/gpt2_generator.py", line 27, in __init__
    self.enc = encoder.get_encoder(self.model_name, models_dir)
  File "/content/AIDungeon-Uncensored/generator/gpt2/src/encoder.py", line 110, in get_encoder
    encoder = json.load(f)
  File "/usr/lib/python3.6/json/__init__.py", line 296, in load
    return loads(fp.read(),
OSError: [Errno 5] Input/output error