o I h@s<ddlmZddlZddlmZd dededefdd ZdS) )OptionalN)DeviceFdeviceoptionalreturncCst|tr|St|trt|}d}t|tjr=tj}|dur&td|j|jkr:t |jdtjd|j }|durO|sJt d|tj S|S)NzAccelerator expectedz' doesn't match the current accelerator .zFExpected a torch.device with a specified index or an integer, but got:) isinstanceintstrtorchr acceleratorcurrent_accelerator RuntimeErrortype ValueErrorindexcurrent_device_index)rr device_indexaccrL/var/www/vscode/kcb/lib/python3.10/site-packages/torch/accelerator/_utils.py_get_device_indexs*       r)F) typingrr torch.typesr _device_tboolr rrrrrs