Update mdr_pdf_parser.py

mdr_pdf_parser.py

@@ -1630,7 +1630,7 @@ class MDROcrEngine:
         paths = {k: str(Path(self._model_dir)/Path(*p)) for k,p in _MDR_OCR_MODELS.items()}
         # In MDROcrEngine._get_system()
         self._onnx_params = _MDR_ONNXParams(
-            use_gpu=(self._device=="cpu"),
+            use_gpu=(self._device=="cuda"),
             det_model_dir=paths["det"],
             cls_model_dir=paths["cls"],
             rec_model_dir=paths["rec"],