Error Running 'example.py'

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Describe the bug Hello, I have encountered an issue while running 'example.py'. The script did not execute as expected and threw an error. Here are the details. Could you please look into this? Thanks for your help.

Environment

1. Ubuntu 20.04
2. Python 3.10

Steps to Reproduce

1. Run 'python example.py'
2. See error

Traceback Traceback (most recent call last): File "/home/eit-robot/workspace/HIT_WANG/Original/HLT/example.py", line 33, in output = model(video, instructions) File "/home/eit-robot/anaconda3/envs/HLT/lib/python3.10/site-packages/torch/nn/modules/module.py", line 1532, in _wrapped_call_impl return self._call_impl(*args, **kwargs) File "/home/eit-robot/anaconda3/envs/HLT/lib/python3.10/site-packages/torch/nn/modules/module.py", line 1541, in _call_impl return forward_call(*args, **kwargs) File "/home/eit-robot/workspace/HIT_WANG/Original/HLT/hlt_torch/model.py", line 888, in forward return self.hl_transformer(video, instructions) File "/home/eit-robot/anaconda3/envs/HLT/lib/python3.10/site-packages/torch/nn/modules/module.py", line 1532, in _wrapped_call_impl return self._call_impl(*args, **kwargs) File "/home/eit-robot/anaconda3/envs/HLT/lib/python3.10/site-packages/torch/nn/modules/module.py", line 1541, in _call_impl return forward_call(*args, **kwargs) File "/home/eit-robot/anaconda3/envs/HLT/lib/python3.10/site-packages/classifier_free_guidance_pytorch/classifier_free_guidance_pytorch.py", line 138, in inner return fn_maybe_with_text(self, *args, **kwargs) File "/home/eit-robot/anaconda3/envs/HLT/lib/python3.10/site-packages/classifier_free_guidance_pytorch/classifier_free_guidance_pytorch.py", line 131, in fn_maybe_with_text return fn(self, *args, **kwargs) File "/home/eit-robot/workspace/HIT_WANG/Original/HLT/hlt_torch/model.py", line 709, in forward cond_fns, _ = self.conditioner( File "/home/eit-robot/anaconda3/envs/HLT/lib/python3.10/site-packages/torch/nn/modules/module.py", line 1532, in _wrapped_call_impl return self._call_impl(*args, **kwargs) File "/home/eit-robot/anaconda3/envs/HLT/lib/python3.10/site-packages/torch/nn/modules/module.py", line 1541, in _call_impl return forward_call(*args, **kwargs) File "<@beartype(classifier_free_guidance_pytorch.classifier_free_guidance_pytorch.TextConditioner.forward) at 0x7f7f8994d3f0>", line 47, in forward beartype.roar.BeartypeCallHintParamViolation: Method classifier_free_guidance_pytorch.classifier_free_guidance_pytorch.TextConditioner.forward() parameter texts="tensor([[[ 8.2832e-01, 1.3228e-01, 4.0918e-01, ..., 9.5099e-02, 1.1573e+...]]])" violates type hint typing.Optional[list[str]], as <protocol "torch.Tensor"> "tensor([[[ 8.2832e-01, 1.3228e-01, 4.0918e-01, ..., 9.5099e-02, 1.1573e+...]]])" not <class "builtins.NoneType"> or list.

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