VILA models crashing when bounding boxes are not int

[soldni]

VILA models crashing when bounding boxes are not int

Because of changes in #69 , bounding boxes are now float instead of int, which VILA does not like:

  File "/Users/lucas/miniforge3/envs/pdod/lib/python3.10/site-packages/mmda/predictors/hf_predictors/vila_predictor.py", line 161, in predict
    model_outputs = self.model(**self.model_input_collator(model_inputs))
  File "/Users/lucas/miniforge3/envs/pdod/lib/python3.10/site-packages/mmda/predictors/hf_predictors/vila_predictor.py", line 178, in model_input_collator
    return {
  File "/Users/lucas/miniforge3/envs/pdod/lib/python3.10/site-packages/mmda/predictors/hf_predictors/vila_predictor.py", line 179, in <dictcomp>
    key: torch.tensor(val, dtype=torch.int64, device=self.device)
TypeError: 'float' object cannot be interpreted as an integer

This PR adds an explicit cast operation to get around this issue during pre-processing.

[lolipopshock]

Thanks @soldni ! This issue is also fixed in vila allenai/vila@0a77203 and I'll migrate the changes to mmda very soon!

[lolipopshock]

fixed in #89 as latest vila lib fixes this issue