Upload app.py

app.py

@@ -552,18 +552,19 @@ def create_config_file(model: str, work_dir: str):
             "api_base": "https://openrouter.ai/api/v1",  # Use OpenRouter endpoint
             "temperature": 0.7,
         },
+        "max_iterations": 10,
         "evolution": {
-            "max_iterations": 10,
             "population_size": 10,
             "num_islands": 1,
             "elite_ratio": 0.1,
             "explore_ratio": 0.3,
             "exploit_ratio": 0.6,
-            "parallel": False,  # Disable parallel processing to avoid signal errors
         },
-        "evaluation": {
+        "evaluator": {
             "timeout": None,  # Disable timeout to avoid signal handling issues
             "cascade_evaluation": False,  # Disable cascade to prevent signal errors
+            "parallel_evaluations": 1,  # Single worker
+            "distributed": False,  # No distributed processing
         }
     }
 
@@ -650,6 +651,8 @@ def optimize_prompt(initial_prompt: str, dataset_name: str, dataset_split: str,
 
         try:
             # Run evolution
+            # Note: OpenEvolve may show "Initialized process parallel controller" warnings
+            # but they are harmless in this single-worker configuration
             result = run_evolution(
                 initial_program=initial_prompt_path,
                 evaluator=evaluator_path,