fix generator

src/backend.py

@@ -133,7 +133,7 @@ def pattern_match(patterns, source_list):
 
 def _backend_routine():
     # List only the text classification models
-    rl_models = API.list_models(filter=["reinforcement-learning"])
+    rl_models = list(API.list_models(filter=["reinforcement-learning"]))
     logger.info(f"Found {len(rl_models)} RL models")
 
     compatible_models = []