ModuleNotFoundError: No module named 'utils.custom_types'

Hi,

Thanks for releasing the code for your paper. 
I try to run the `run_pdf.py` and find that there is an error:

```
ModuleNotFoundError: No module named 'utils.custom_types'

Traceback:
  File "/Paper2Video/llms/depictqa.py", line 7, in <module>
    from utils.custom_types import Degradation, Level
```

Can you please provide the file 'custom_types.py'?