Update backend_utils.py

backend_utils.py

@@ -469,6 +469,10 @@ def make_predictions(input_query,
     '''
     library_ids, library_names = retrieve_libraries(model_retrieval, input_query, db_metadata)
 
+    if len(library_ids) == 0:
+        return {'status': 999}
+
+    print("generate usage patterns")
     predictions = generate_api_usage_patterns_batch(
         model_generative,
         tokenizer_generative,
@@ -480,6 +484,7 @@ def make_predictions(input_query,
         config.get('max_length_generate')
     )
     
+    print("generate hw configs")
     hw_configs = predict_hw_config(
         model_classifier,
         tokenizer_classifier,
@@ -492,6 +497,7 @@ def make_predictions(input_query,
     for output_dict, hw_config in zip(predictions, hw_configs):
         output_dict['hw_config'] = hw_config
     
+    print("finished the predictions")
     predictions = get_metadata_library(predictions, db_metadata)
 
     return predictions