Update routers/donut_inference.py

routers/donut_inference.py

@@ -60,7 +60,7 @@ def load_model(shipper_id: str):
             model_cache['default_shipper'] = (processor, model, device)
             return model_cache['default_shipper']
 
-def process_document_donut(image, shipper_id):
+def process_document_donut(image, shipper_id="default_shipper"):
     """
     Process a document using the appropriate model for the shipper