sohailshk opened a new issue, #41085:
URL: https://github.com/apache/beam/issues/41085

   ### What happened?
   
   In `HuggingFaceModelHandlerTensor.run_inference` 
(`sdks/python/apache_beam/ml/inference/huggingface_inference.py`), the branch 
for a custom `inference_fn` calls
   
   ```python
   self._inference_fn(batch, model, inference_args, inference_args, 
self._model_uri)
   ```
   
   `TensorInferenceFn` is `(batch, model, device, inference_args, model_id)`, 
and `HuggingFaceModelHandlerKeyedTensor` passes `self._device` in the same 
place, so a custom `inference_fn` receives the `inference_args` dict as 
`device`.
   
   Repro: a handler with `device='CPU'` and an `inference_fn` that records its 
`device` argument, called with `inference_args={'add': True}`, gets `device == 
{'add': True}`. With `device='GPU'` the model is moved to CUDA, but a custom 
function modelled on the default one gets no device string and keeps the inputs 
on CPU.
   
   Seen on master (2.79.0.dev).
   
   ### Issue Priority
   
   Priority: 2 (default / most bugs should be filed as P2)
   
   ### Issue Components
   
   - [X] Component: Python SDK
   


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