Update backend_utils.py

backend_utils.py

@@ -219,7 +219,9 @@ def generate_api_usage_patterns(generative_model, tokenizer, model_input, num_be
     model_output = generative_model.generate(
         model_input,
         num_beams=num_beams,
-        num_return_sequences=num_return_sequences
+        num_return_sequences=num_return_sequences, 
+        early_stopping=True,
+        max_legth=100
     )
     api_usage_patterns = tokenizer.batch_decode(
         model_output,