diff --git a/src/blackbox/chat.py b/src/blackbox/chat.py
index 7ddc52b..0ba8c68 100644
--- a/src/blackbox/chat.py
+++ b/src/blackbox/chat.py
@@ -30,19 +30,20 @@ class Chat(Blackbox):
     @logging_time(logger=logger)
     def processing(self, *args, **kwargs)  -> str:
 
-        data = args[0]
- 
-        user_model_name = data.get("model_name")
-        user_context = data.get("context")
-        user_question = data.get("question")
-        user_template = data.get("template")
-        user_temperature = data.get("temperature")
-        user_top_p = data.get("top_p")
-        user_n = data.get("n")
-        user_max_tokens = data.get("max_tokens")
-        user_stop = data.get("stop")
-        user_frequency_penalty = data.get("frequency_penalty")
-        user_presence_penalty = data.get("presence_penalty")
+        settings: dict = args[0]
+        if settings is None:
+            settings = {}
+        user_model_name = settings.get("model_name")
+        user_context = settings.get("context")
+        user_question = settings.get("question")
+        user_template = settings.get("template")
+        user_temperature = settings.get("temperature")
+        user_top_p = settings.get("top_p")
+        user_n = settings.get("n")
+        user_max_tokens = settings.get("max_tokens")
+        user_stop = settings.get("stop")
+        user_frequency_penalty = settings.get("frequency_penalty")
+        user_presence_penalty = settings.get("presence_penalty")
 
         if user_context == None:
             user_context = []